Easily re-key your padlock to work with the key from any SmartKey lock. SmartKey Re-key Technology is bump proof and pick resistant. Hardened molybdenum shackle for superior resistance to sawing and cutting. Dual ball bearing locking for maximum protection from pry and hammer attacks. Works with 2" molybdenum long shackle Features smartkey re-key technology for bump & pick resistance Uses KW1 keyway Easily re-key your padlock to work with the key from any kwikset smartkey lock Hardened molybdenum shackle for superior resistance to sawing & cutting 10000 lb cut resistance Dual ball bearing locking for maximum protection from pry & hammer attacks Over 5000 lb pry resistance Key retaining feature ensures padlock is not left unlocked & prevents accidentally locking the key inside a shed, tool box, locker, etc.