Knob locks * DoorThickness 35mm-50mm * Latch Backset 60mm(2 3/8")&70mm(2 3/4") * Rose Design 65mm&75mm Knob locks 1 DoorThickness 35mm-50mm2 Latch Backset 60mm(2 3/8")&70mm(2 3/4")3 Rose Design 65mm&75mm4 Key Design Kwikset,C4,Computerized Key5 Cylinder Construction Master Key,Construction Key6 Main lock body material: Stainless steel7 Latch backset:Zinc alloy8 Key material: Brass or Iron9 Lock ...