The Federal Lock 730 Padlock features an e-coated hardened steel lock body with molybdenum shackle to resist drilling, sawing, twisting, and brute force attacks. With the blue bumper, the lock body can prevent damage to locked item. The anti-drill sliding cover plate provides high standard drilling resistance in cooperation with slide-in slot and anti-drill plate. This high security padlock also features double locking ball bearings increase tensile strength to resist pulling attack. The padlock has a secure key retaining design. The design makes the key irremovable when unlocking to ensure locking operation is done before removing key and complies with the specifications of certificate and military uses. This high security solid steel padlock is ideal for security gates, factory front, garage, entrances and much more.