圆柱形的锁

Lock 587 SS-ET Cylinder: Brass Cylinder,with 3 Brass normal or computer Keys. Knob/Rosette:201# SS or solid brass , Knob 54mm Diam, Rosette 75-80mm Diam. Latch: 201#SS material tongue & Faceplate;60mm as standard; 70mm(2-3/4") is optional. Backset:60mm(2-3/8") as standard; 70mm(2-3/4") is optional. Door Thick: Fit wood or metal doors from 1-3/8" (35mm) to 1-3/4"(45mm) thick as standard. Finish: SS, SP, SB, PB, AB, AC, BN , SS/SP, SB/PB, SS/PB, AC/PB,AB/SP, BN/PB. Function: ET(Entrance), BK(Privacy), PS(Passage), ST(Storeroom), CL(Classroom), DM(Dummy). Pack: BOX or Clamshell Pack