Gearwrench® 3 Pc 1 4, 3 8 & 1 2 in. Drive 90T Locking Flex Head Teardrop Ratchet Set Sprayer High Visibility for safety Tough Impact Resistant Polycarbonate High Visibility for safety Shell made of UV resistant ABS materials to absorb and resist high impact Meets or exceeds ASME specificationsLocking flex head with 9 locked positions and unlocked option for adjustable access anglePrecision engineered high strength pawl for increased durabilityEnclosed head design for extreme resistance to dirt infiltrationHighly visible on off markings on the head90 tooth gear delivers a 4 swing arc to turn a fastener in tight confinesTeardrop GEARWRENCH 90 tooth ratchets have a 4 degree swing arc and low profile head to give easier access to hard to turn fasteners