Bryant Electric 4902RKL Locking Type Switch, Barrel-Key, Double Pole, Industrial Specification Grade, 20 Amp, 120/277V, Stainless Steel Barrel lock and key for maximum security Six-point tumbler cylinder provides superior pick-resistance Push turn ratcheting feel with rotary 9-12 o'clock action for intuitive use Locks keyed alike for planned security use by authorized management and maintenance personnel Stainless steel wall plates shipped with standard and tamperproof screws for specifier options - tapered head, steel lock construction resists impact