Fhjsyeirly 10PCS Adjustable Sliding Window Locks Stop Aluminum Alloy Door Frame Security Lock Child Window Locks with KeysHome Office Window Lock

• 2.It is strong, solid and sturdy, exquisite workmanship, aluminum alloy frame and stainless steel screws that can be reused many times.
• 4.Fit for track heights more than 15mm/ 0.59 inch,track thickness no 16mm/ 0.63 inch.
• 1.
• 3.Adjust the stainless steel screw by using the hexangular key to fit the frame thickness.
• 5.Suitable for applied to most environments; By keeping the partially open and closed, the burglar-proof and thieves can prevent children from falling

Fhjsyeirly colour:Silver Material:Aluminum alloy Package Contents: 10 * Sliding Window Locks 2 * key 2 * L key (bend type) 10 * 20mm Screw 10 * 8mm Screw Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.