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Much better than the broom in the door and is almost unnoticeable. Uses: ultimate in security for sliding windows and doors. An inexpensive item that prevents the sliding doors from being lifted out of the tracks. Specs: you get a full set of guard pin lock with all the hardware to install.




Note: not intended for a patio door, windows only. Allows the window to be opened and ventilated while remaining secured. Note: not intended for a patio door, windows only. For use on most vinyl windows – these sliding window locks are for use on horizontal sliding windows and most vertical sliding single hung windows as a secondary window lock.
Each pack includes – 1 adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. Vise like" grip holds securely and will not mar frame. Thick. For all dimensional information please refer to the line art and compare to your needs before purchasing. This is for Vinyl Windows only. Product info – these sliding window locks have a diecast construction with a white painted finish and can fit most vinyl frame rail thicknesses ranging from 1/16” to ½”.

When engaged, this lock prevents sliding and lifting of active panel and features an easy to operate twist-in action. Cast zamak construct housing with white painted finish. Used on horizontal sliding windows and patio sliding door systems as a secondary security locking device.

1. Defender Security
#ad
Wood Window Sash Security Pins 8-pack, Defender Security U 9845 2-1/2 inch Steel
#adDefender Security #ad - Securely locks window in a closed or venting position. 2-1/2 in. Steel pin with a brass finish. 5/16 in. Pin removal key is required to unlock. Length and 5/16 in.More information #ad
Brass plated finish. Recommended for wood sashes. Diameter pin. Used on vertical and horizontal sliding windows as a secondary window lock. Can be used as a child safety lock. X 2-1/2 in. Steel construction.Brand | Defender Security #ad |
Manufacturer | Prime-Line Products (Home Improvement) #ad |
Height | 0.31 Inches |
Length | 2.5 Inches |
Weight | 0.49 Pounds |
Width | 0.31 Inches |
Part Number | U 9845 |
Model | U 9845 |
Warranty | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
More information #ad
2. Defender Security
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2-5/8 inch, Chrome Finish, Defender Security U 9858 Sliding Patio Door Lock Pin
#adDefender Security #ad - Included – installation hardware and instructions are included. Dimensions – pin is 2-5/8 in. Pin lock – this pin lock includes a retaining ring which the pin engages when locked.More information #ad
Diameter. Add additional security – the defender security u 9858 sliding Patio Door Lock Pin is used as a secondary lock on sliding patio doors. Long and has a 3/16 in. Prevention – the patio lock helps prevent sliding or lifting of door.Brand | Defender Security #ad |
Manufacturer | Prime-Line Products (Home Improvement) #ad |
Height | 2.62 Inches |
Length | 0.63 Inches |
Weight | 0.07 Pounds |
Width | 3.81 Inches |
Part Number | U 9858 |
Model | U 9858 |
Warranty | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
More information #ad
3. Generic
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Chrome Plated Sliding Window/Door Lock Security Pin 10 Pack
#adGeneric #ad - 8" long Chain. Comes with All Mounting Hardware. Chrome plated window Lock/Sliding Door Lock Pin. 3" long Pin.More information #ad
Brand | Generic #ad |
Manufacturer | River City Depot #ad |
Height | 0.5 Inches |
Length | 6 Inches |
Width | 4 Inches |
Model | WL1 |
More information #ad
4. Ram-Pro
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Ram-Pro Extra Long 3-1/2" Window Security Guard Pin Lock Set for Sliding Doors & Windows
#adRam-Pro #ad - Design: unique locking feature prevents pin from falling out or being wiggled out from outside. Quality: all-steel components, nickel-plated for extra rust & corrosion resistance.Much better than the broom in the door and is almost unnoticeable. Uses: ultimate in security for sliding windows and doors. An inexpensive item that prevents the sliding doors from being lifted out of the tracks. Specs: you get a full set of guard pin lock with all the hardware to install.
More information #ad
Also these are easier to remove as the head is larger providing a good grip. Includes pin hanger longer 3-1/2" steel pin with 8" retainer chain so pin is never lost. It’s easy to install with all hardware. The ram-pro extra long 3-1/2" window security guard Pin Lock Set gives security for Sliding Doors & Windows.Brand | Ram-Pro #ad |
Manufacturer | Mix N More Inc. #ad |
Part Number | 2980 |
Model | 2980 |
More information #ad
5. PRIME-LINE
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Chrome Finish, Prime-Line U 9857 Sliding Window Pin Lock, Steel Construction, 1-5/16-inch Long
#adPRIME-LINE #ad - Used as a secondary lock on sliding windows and patio doors. Mounting hardware included. Easy to install. Prevents sliding or lifting of door or window. Securely locks sliding door or window in the closed or ventilating position. Case hardened steel construction.More information #ad
Brand | PRIME-LINE #ad |
Manufacturer | Prime-Line Products (Home Improvement) #ad |
Height | 1.31 Inches |
Length | 0.12 Inches |
Weight | 0.06 Pounds |
Width | 0.12 Inches |
Part Number | U 9857 |
Model | U 9857 |
Warranty | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
More information #ad
6. Defender Security
#ad
White, Edge Mount, Defender Security U 9831 Sliding Window Lock
#adDefender Security #ad - White plastic housing with steel throw. Used on horizontal and vertical sliders. Steel bolt throw has a 3/4 in. Also fits sliding patio doors. Used as a secondary bolt lock. Mounting hardware included. Projection.More information #ad
Brand | Defender Security #ad |
Manufacturer | Prime-Line Products (Home Improvement) #ad |
Height | 2.75 Inches |
Length | 0.5 Inches |
Weight | 0.09 Pounds |
Width | 0.75 Inches |
Part Number | FBA_U 9831 |
Model | GD 12152 |
Warranty | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
More information #ad
7. ProTool
#ad
Extra-Long 3-1/2" Pin, Pro 55201 Window Guard Pin Lock Set for Sliding Doors and Windows
#adProTool #ad - Brand name: ProTool. No batteries required. Country of Origin: China. Item dimensions: 063"l x 2. 13"w x 5. 24"h.More information #ad
Brand | ProTool #ad |
Manufacturer | Pro Tool #ad |
Height | 5.24 Inches |
Length | 0.63 Inches |
Weight | 0.05 Pounds |
Width | 2.13 Inches |
Part Number | 1 |
Model | 1 |
More information #ad
8. Defender Security
#ad
Prime-Line U 9809 Sliding Window Lock for Vinyl Windows – Easy Installation to Keep Windows Securely Closed – White Diecast Construction Pack of 2
#adDefender Security #ad - Add extra security – use these sliding window locks to prevent unwanted intruders and avoid falling accidents –keeping your windows closed when you want them the most secure! Air and a breeze can get in, but no intruders. The locks feature an adjustable jaw that has a “vise-like” grip, and they are capable of opening up to ½” wide.Note: not intended for a patio door, windows only. Allows the window to be opened and ventilated while remaining secured. Note: not intended for a patio door, windows only. For use on most vinyl windows – these sliding window locks are for use on horizontal sliding windows and most vertical sliding single hung windows as a secondary window lock.
More information #ad
Securely lock windows – these u 9809 sliding window locks for vinyl windows help keep them securely closed. Each pack includes – 1 adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. Vise like" grip holds securely and will not mar frame. Thick. For all dimensional information please refer to the line art and compare to your needs before purchasing. This is for Vinyl Windows only. Product info – these sliding window locks have a diecast construction with a white painted finish and can fit most vinyl frame rail thicknesses ranging from 1/16” to ½”.
Brand | Defender Security #ad |
Manufacturer | Prime-Line Products (Home Improvement) #ad |
Height | 5.44 Inches |
Length | 1.18 Inches |
Weight | 0.28 Pounds |
Width | 1 Inches |
Part Number | U 9809 |
Model | U 9809 |
Warranty | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
More information #ad
9. Defender Security
#ad
White, Zamac Cast Housing w/Aluminum Bolt, 1 inch, Defender Security U 9850 Lock, Twist-In Action
#adDefender Security #ad - For use on patio sliding door systems and some horizontal sliding windows. Body height. Reach x 11/16 in. 1/2 reach x 11/16 in. Hole center spacing.When engaged, this lock prevents sliding and lifting of active panel and features an easy to operate twist-in action. Cast zamak construct housing with white painted finish. Used on horizontal sliding windows and patio sliding door systems as a secondary security locking device.
More information #ad
Securely locks door in the closed or ventilating position. 1/2 in. White painted finish. All the necessary mounting hardware is included for a quick and easy installation. Zamac cast housing with twist-in action aluminum bolt. Body height with 1-9/16 in.Brand | Defender Security #ad |
Manufacturer | Prime-Line Products (Home Improvement) #ad |
Height | 1.57 Inches |
Length | 0.67 Inches |
Weight | 0.18 Pounds |
Width | 0.51 Inches |
Part Number | U 9850 |
Model | U 9850 |
Warranty | Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse. |
More information #ad
10. Defender Security
#ad
2-pack, Brass Plated, Defender Security U 9939 Wood Window Vent Lock, Steel, 1-9/16 inch
#adDefender Security #ad - Stamped steel construction. Bright brass plated steel. Mounting hole centers. Allows ventilation and deters forced entries. Slide stud stops to open window or lock in place.More information #ad
Brass plated finish. 2-pack. Used by a variety of home owners to lock a vented window in a specific location for them. 1 in. Mounting hardware included. Used on vertical sliding wood windows as a secondary lock to block lifting of lower sash.Brand | Defender Security #ad |
Manufacturer | Prime-Line Products #ad |
Height | 1.56 Inches |
Length | 1.25 Inches |
Weight | 0.15 Pounds |
Width | 0.88 Inches |
Part Number | U 9939 |
Model | 9036240 |
More information #ad