90-tooth gear delivers a 4° swing arc to turn a fastener in tight confines; Precision engineered high strength pawl for increased durability; Off-set angled handle design gives additional clearance; 6-Position flex-head for adjustable access angle; Teardrop low profile head and flush mounted on/off switch allow better access in tight spaces; Enclosed head design for extreme resistance to dirt infiltration; Dual material comfort grip handle; Solvent resistant handle grip for durability; Includes 6" magnetic swivel spark plug sockets: 5/8" and 13/16"; Meets or exceeds ASME specifications