【Dimension】: Length of the glass locks: 1.88"(48 mm), width: 1.37"( 35 mm), suitable for 5-8mm thicken glass door. 【Keys Alike】: You will receive 4pcs glass locks with same keys, convenient for management works, attention: this locks is for single door. 【High Quality】: The showcase locks are made of zinc alloy, chrome finished and carefully manufactured, sturdy, rust-proof, and durable to use. 【Widely Use】: Suitable for single glass door, display cases, trophy cases, and retail cases, glass showcase, company display cabinet, glass door, counter,etc. 【Installation】: Easy and quick for you to install: measure and punch holes underneath the glass cabinet door, fix the mounting plate and secure the locks to the glass door.