Features and Benefits: 90 tooth gear delivers a 4 swing arc to turn a fastener in tight confines; Precision engineered high strength pawl for increased durability; Locking flex-head with 9 locked positions and unlocked option for adjustable access angle; Highly visible on/off markings on the head; Teardrop low profile head and flush mounted on/off switch allow better access in tight spaces; GEARWRENCH 90-tooth ratchets have a 4 degree swing arc and low profile head to give easier access to hard to turn fasteners. The 90-tooth design exceeds ASME torque performance requirements to deliver one of the strongest ratchets on the market. GEARWRENCH ratchets help you GET IT DONE.