Half Dimple Key Euro Cylinder Lock

Construction key system: owner's key used, construction key will be wasted.  solid brass pin , digital cutting key,  stainless steel spring for up/down pin. 1.   heat treated steel vertical  drill-resistant pins on both side of cylinder2.  mushroom counter pins resistant to attack.3. 6rounded-head picking proof combination pins.4. Ownerkey:  5 pcs5. Ownercard: as a indication of the key duplication and quality guarantee6. construction key system7.   master key or key alike are available8.  finish:  01-brass polished with varnish                    02-bright nickel plated                    03-satin nickel plated  l a b finish qty/box 40 30 10 01,02,03 6 45 35 10 01,02,03 6 50 40 10 01,02,03 6 55 45 10 01,02,03 6 60 50 10 01,02,03 6 70 60 10 01,02,03 6 80 70 30 01,02,03