Rolinson High Quality Top Security Padlock 60mm

Unique Lock coreThe key steps for 0.05mm;Leaf blade error 0.01mm;Locking plate and a locking groove clearance is 0.1mm;Spring leaves and the single type, as long as any side force can not be opened;Stainless steel lock, super anti violence on;The magic key to change and the error is 1, then automatic idle can not be opened