SP Air’s Ratchet Wrenches, Nos. SP-7770 and SP-7772, which come 1/4” and 3/8” respectively, have a compact head design that allows access into confined areas that would normally need to be fastened by hand. They can be used on underdash, carburetor, body shop repair and light duty work. The unit’s slide ring adjusts easily to provide users with the most comfortable head position in any situation, according to the compan. Unit specifications include a square a working torque range of 5 to 24 ft/lbs, a free speed of 220 rpm, a vibration level of 3.5 m/s and a sound level of 82.7 dB.