Compact high security PREMIER LOCKOUT SAFETY PADLOCKS were designed on the basis of the feed back received from more than 2,000 users. The nylon body is carved / designed with ribs for easy gripping and handling. Supplied with an individual unique coded brass key and cylinder to differ 6-pin locking combinations. The Jack locking key mechanism does not allow the release of key, until the shackle is closed and the padlock is locked.