... handle design, hot selling style; zinc alloy material; many handle style for choose...... zinc alloy handle lock HL8051Service life: Over 200,000 ... ), PS(Passage), ST(Storeroom), DM(Dummy); Entrance Handle Lock HL8051Lock FunctionET (Entrance) and BK(Privacy);left and right ... External exposed trims are forged solid brass or die-casting zinc.Lock FinishedUS3, US5, US11, PVD, etc; according to your ...