The gearwrench 90-tooth ratchets have a 4 swing arc and a low-profile head for easier access to hard-to-turn fasteners. The 90-tooth design exceeds asme torque performance requirements, delivering one of the strongest ratchets on the market. These gearwrench ratchets help you get it done. features: 90-tooth gear delivers a 4 swing arc to turn a fastener in tight confines precision engineered high strength pawl for increased durability 6 position flexible head provides access for hard to reach fasteners stubby handle length for when clearance is limited highly visible on/off markings on the head enclosed head design for extreme resistance to dirt infiltration teardrop, low-profile head and flush-mounted on/off switch allow better access in tight spaces bright, full polish chrome finish easily wipes clean and resists corrosion meets or exceeds asme specifications