Master Lock 1676MKADA ADA Compliant Built In Combination Lock with Metal Dial for Lift Handle and Single Point Horizontal Latch Lockers Hinged on Right non_sale_item 406MKYLWCOV Dielectric Thermoplastic Safety Padlock quantity_break_72 406MKYLWCOV Dielectric Thermoplastic Safety Padlock Master keyed a master key opens all the locks in the system although each lock has its own unique key features a 1 1 2in (38mm) wide Zenex™ Thermoplastic Yellow body and a 1 1 2in (38mm) tall 1 Laminated Steel Padlocks feature a 1 3 4in (44mm) reinforced laminated steel lock body providing extra strength and a 15 16in (24mm) tall These locks are designed for special needs students without looking different 1676MKADA Built In Combination Lock series is designed to fit almost all locker styles and features three ways to open with a student key