Body:Brass Cylinder:Wafer(Disc) Tumbler Mechanism Wafer(Disc):stainless steel Shackle:hardened boron steel 304 stainless steel Key:Brass Key Function:Master key system Key Alike Size:35, 40, 50, 60, 70mm Finished:Brushing finished Chrome palted Nickle plated Packing:Box , sliding card, blister MOQ:10000