The VEVOR Mechanical Keyless Entry Door Lock is a sturdy and secure option for home improvement. Made of stainless steel with a zinc alloy lock latch, this keypad entry lock offers 14 keys for easy access. The lock body mounting hole size is 5.1 inches, while the door plate mounting hole size is 2.1 inches. With a compact product dimension of 7.8 x 4.6 x 5.9 inches, this mechanical keypad lock is suitable for doors with a thickness of 1.4 - 2.5 inches. The brand VEVOR ensures quality and reliability for your home security needs.