Thumb Turn Cylinder Lock Reversible Key

We have professional team of engineer/ workers . They are full of experience on making high quality of cylinders. the cogwheel or din cam are made of sintered steel with high strength. The up/down pin are fully polished to assure high precision.  1.mushroom counter pins resistant to attack. 2.  7 rounded-head picking proof combination pin 3.connection rod coupling for emergency release function:  4.owner key 5pcs 5.owner card:   as a indication of the key duplication and quality guarante 6.gear or cam are available others: body: solid extruded brass     finish:   01-brass polished with varnish                            02-bright nickel plated                   03-satin nickel plated  item no. L a b pins finish qty/box 204.3333 66 33 33 7 01,02,03 6 204.3343 76 33 43 7 01,02,03 6 204.3348 81 33 48 7