3 Pc. 1/4IN, 3/8IN and 1/2IN 90 Tooth Dual Material Ratchet Set 90 tooth gear delivers a 4DEG swing arc to turn a fastener in tight confines. Precision engineered high strength pawl for increased durability. Highly visible on/off markings on the head for fast size identification. 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. Dual material comfort grip handle. Bright, full polish chrome finish easily wipes clean and resists corrosion. Meets or exceeds ASME specifications 81207T