90-tooth gear delivers a 4°swing arc to turn a fastener in tight confinesPremium ratchet tang retention system, with precision engineered ball detent, locks in sockets and prevents sockets from falling without pressing quick release buttonTeardrop low profile head and flush mounted on/off switch allow better access in tight spacesHighly visible on/off markings on the head for fast size identificationPrecision engineered high strength pawl for increased durability