Product information Lmytdo door lock bolts using one-piece die-casting processes, not easy to bend or deform after being applied for a long time. The high-quality finish can remain as good as new and corrosion resistant through all external weather conditions. Drill holes with a drilling machine or an electric screwdriver before installation. Then fix the latch with screws (included), teenagers or the elderly can easily handle it alone. Practical gift: Most families will need these practical door bolts, just share these with friends or neighbors, they will be glad to receive them. Specification - Color: Black, White - Total Size : 8.9 2.6 cm (LW) - Weight: 60 g - Package Includes: 2 x 3 Inch Door Bolt, 12 x Fixing Screws.