The Sturtevant Richmont micrometer adjustable fixed ratchet torque wrench is adjustable to a torque value by rotating the grip.This torque wrench has a simple thumbscrew mechanism that locks the handle to avoid changing torque value while in use. The fast adjustment of Sturtevant Richmont micrometer adjustable fixed ratchet torque wrenches take the fewest rotations of any tool to reach full scale and its’ ball bearing rockover assembly assures smooth operation, enhances repeatability and increases the cycle life of the wrench.At preset torque value a strong audible and tactile impulse is emitted by Sturtevant Richmont micrometer adjustable fixed ratchet torque wrenches and they feature a Neoprene rubber grip for cushioning and oil/chemical resistance. Sturtevant Richmont micrometer adjustable fixed ratchet torque wrenches include a custom molded plastic case (250 ft. lbs./300 Nm and below). The aluminium increment band is color coded: black for inch lbs. gold for foot lbs. blue for Newton metre.