Snap-on's 3/8"-drive Swivel, Round Head Ratchet, No. FHNF100, is compact and features 100 teeth for a low 3.6-degrees of swing arc to get at tough fasteners at any angle. The swivel head offers a variety of ratcheting positions, including straight on for use as a ratcheting nut driver. Delivers up to 300 ft./lbs. of torque.