Application$0Compatible with Yale® ST & ST2 locks.$0$0Operation$0360˚ rotation by operating key. $0Standard double cylinder − both sides permanently operational.$0$0Materials$0Body and plug: high-quality brass$0Cam: steel$0Pins: nickel silver and stainless steel$0$0Standard finishes$0Nickel satin$0$0Cylinder mechanism$0Mul-T-Lock’s unique, high-precision pin tumbler system.$0$0Keys$0Reversible nickel silver key with plastic key head and colored insert. $0Also available in all nickel silver.$0$0Cylinder platforms$0Classic; Interactive®+$0$0Cylinder options$0‘3 IN 1’ (changeable combination)$0Keyed different $0Keyed alike$0Master keyed