Shop by BrandMaster Lock Co
Master Lock ® Seal-Tight ™ Handle-on Ball Valve Lockout
Master Lock ® Seal-Tight ™ Handle-on Ball Valve Lockout
Master Lock ® Handle-on and Handle-off Ball Valve Lockout
Master Lock ® Handle-on and Handle-off Ball Valve Lockout
Masterlock ® Colored Padlock
Masterlock ® Colored Padlock
Master Lock ® Rotating Gate Valve Locks
Master Lock ® Rotating Gate Valve Locks
Master Lock  3/4" Colored Lock  (Keyed different)
Master Lock 3/4" Colored Lock (Keyed different)
Master Lock Padlock 1-1/4"H x 13/16"W x 7/16" dia. Shackle Keyed Different
Master Lock Padlock 1-1/4"H x 13/16"W x 7/16" dia. Shackle Keyed Different
Master Lock Padlock 15/16"H x 3/4"W x 5/16" dia. Shackle Keyed Different
Master Lock Padlock 15/16"H x 3/4"W x 5/16" dia. Shackle Keyed Different
Master Lock 3/4"  Color-coded Locks  Pack of 6  (Keyed different)
Master Lock 3/4" Color-coded Locks Pack of 6 (Keyed different)
Master Lock ® Seal-Tight™ Handle-off Ball Valve Lockout
Master Lock ® Seal-Tight™ Handle-off Ball Valve Lockout
Master Lock ® Pressurized Gas Valve Lockout
Master Lock ® Pressurized Gas Valve Lockout
Master Lock ® Snap-on Lockout Hasps
Master Lock ® Snap-on Lockout Hasps
Master Lock Padlock 2-1/2"H x 3/4"W x 5/16" dia. Shackle Keyed Different
Master Lock Padlock 2-1/2"H x 3/4"W x 5/16" dia. Shackle Keyed Different
Master Lock Padlock 2-1/2"H x 3/4"W x 5/16" dia. Shackle Keyed Alike
Master Lock Padlock 2-1/2"H x 3/4"W x 5/16" dia. Shackle Keyed Alike
Master Lock Padlock 1"H x 3/4"W x 7/16" dia. Shackle Keyed Different
Master Lock Padlock 1"H x 3/4"W x 7/16" dia. Shackle Keyed Different
Master Lock Padlock 1"H x 3/4"W x 7/16" dia. Shackle Keyed Alike
Master Lock Padlock 1"H x 3/4"W x 7/16" dia. Shackle Keyed Alike
Master Lock Padlock 1-1/4"H x 13/16"W x 7/16" dia. Shackle Keyed Alike
Master Lock Padlock 1-1/4"H x 13/16"W x 7/16" dia. Shackle Keyed Alike
Weather Tough High Security Padlock (Keyed Alike)
Weather Tough High Security Padlock (Keyed Alike)
Master Lock ® Rotating Gate Valve Locks
Master Lock ® Rotating Gate Valve Locks
Master Lock Padlock 1-1/2"H x 5/8"W x 9/32" dia. Shackle Keyed Different
Master Lock Padlock 1-1/2"H x 5/8"W x 9/32" dia. Shackle Keyed Different
Master Lock Padlock 1-1/2"H x 5/8"W x 9/32" dia. Shackle Keyed Alike
Master Lock Padlock 1-1/2"H x 5/8"W x 9/32" dia. Shackle Keyed Alike