Proto® 1/2" Drive Flex Head Ratchet 17-3/32" 180° flex. 72-tooth gear. 5° ratcheting angle. Small head design and tight swing arc allow fastener to access tight area. Full polish shaft with knurled grip allows for a strong slip-resistant grip.
Proto® 1 Drive Dial Torque Wrench 400-2000 ft-lbs, 56-280 mkg Accurate to ± 4% of torque reading in both directions at 20% to 100% of full scale. Industrial all steel or aluminum torque transfer components. High alloy torsion drive design accuracy not effected by hand position. Dual scale (English/Metric) with clockwise and counterclockwise operation fewer wrenches needed to complete job. Memory needles are standard on all wrenches except electric light models. Easy-to-read, high contrast scale. Laser marked serial number for traceability. N.I.S.T. (National Institute of Standards and ...