120XP ratchets have two double stacked 60-tooth pawls (120 positions) providing a 3° swing arc so you can turn fasteners in tighter confines; Double-stacked pawls alternately engage the 60-tooth gear, providing exceptional strength; Sockets feature off-corner loading design reduces fastener rounding; Extension bars features a knurled grip, providing a non slip surface; Bright, full polish chrome finish easily wipes clean and resists corrosion; Hard stamped size markings; Includes blow mold case for storage and organization; Meets or exceeds ASME specifications