[Features] ●Since it is a palm-sized short type, it is very convenient for narrow spaces where work space is limited. ●Once the nut is adjusted, a revolutionary world-patented free ratchet mechanism has been adopted that enables continuous work simply by twisting and repeating the wrist. ● Chrome vanadium steel. ● When turning the bolt, the corner surface hits and the part that causes licking is received by the surface of the roller, so you can apply torque with peace of mind. ●Rollers are made of chrome-molybdenum steel, so they do not easily deform even when high torque is applied. ●It is with strap hole which is convenient for fall prevention.