1. Material: stainless steel 2. Scope of application: left and right plastic steel, aluminum alloy, sliding window 3. Size: 67x32x36 mm, the widest adjustable pitch is 50 mm, the narrowest adjustable pitch is 8 mm 4. Weight: 123g hexagon key, 127g flat key 5. Function: Prevent children from falling down the building, prevent thief from entering 6. Hole-free installation, convenient and practical 7. Stainless steel material, sturdy and durable 8. Silicone lock pad, strong resistance to friction and aging 9. Thickened screw, strong and durable, not easy to deform
