Sliding Window Lock Set: You will get 4 sliding window locks. Size Specifications: The sliding window lock consists of an Allen key, a lock body and a lock cylinder; the total length of the Allen key is 49mm, the size of the lock body is 30*24*24mm, and the diameter of the lock cylinder hole is 10mm. Aluminum alloy material: These window locks are made of aluminum alloy, thickened material, corrosion resistant and rustproof, not easy to deform, easy to install: no punched window lock, yellow plastic handle design allows you to get started better. When installing, just insert the Allen key into the hole, determine the installation position on the window rail, turn the key to adjust the window lock to fix it, and the installation is quick. Wide range of applications: Sliding window locks are suitable for all types of sliding windows and sliding doors to improve family safety. (Note: Not applicable to the middle window track) 4 Pieces Sliding Window Lock Sliding Door Stop Adjustable Window Hook Adjustable Sliding Door Stop Aluminum Alloy Sliding Door Lock Security Window Product Specification: Material: Aluminum Alloy Color: Silver, Yellow Quantity: 4 pcs. Product Features: Thick aluminum alloy material, corrosion-resistant and rust-proof, not easy to deform and can be reused. Punch-free window locks, quick and economical installation, free control of window opening and closing, and improved safety. Yellow plastic handle design is beautiful and practical. Package Contents: 4 * Sliding Window Lock Note: If you have any questions about the products you received, please contact us. Since manual measurement is required, please allow a deviation of 1-3 mm. Due to different display methods, the color of the actual product and the picture may be slightly different.