The SP Air Corporation 3/8” Super Fast Mini Impact Ratchet, No. SP-1765, provides a maximum speed of 500 rpm and a maximum torque of 55 ft/lbs. A patented reaction-free impact mechanism helps minimize damage to the user’s wrist and knuckles. This tool comes in a compact size to safely and efficiently reach tight, space-restricted areas. This product has an overall length of 6-7/8”, and weigh 1-3/8 lbs. SP Air also offers the 1/4" Super Fast Mini Impact Wrench, No. SP-1764, with the same power and torque as the SP-1765.