Subject to intensive testing by engineers and competition users for over 20 years, TJM's Pro Locker is near indestructible. It's designed specifically to suit the rear of Toyota Landcruiser 100 and 200 Series vehicles. With a strong carrier assembly and one-piece cross shaft combined with a unique piston-style actuator, TJM has created one of the strongest and reliable diff-lockers on the market. TJM Pro Locker solves off-road traction problems with the simple flick of a switch from the driver's seat. An innovative air-operated design allows the diff-locker to provide equal drive to both sets of wheels for the ultimate in traction.