the adjusting mechanism 70 the handle 50 extends away from the head section 30 in direction y which may be parallel to direction x or at an angle thereto as is conventional the handle 50 may advantageously include a hanging hole 52 toward one end in addition the handle 50 includes a recess 54 that is substantially covered by cover plate 56 the recess 54 is advantageously generally rectangular and oriented so that its long dimension is parallel to the handle 39 s longitudinal axis l one or more threaded holes 59 may be located proximate the recess 54 for securing the cover plate 56 to the remainder of the handle 50 an adjustment mechanism 70 controls the positioning of the moveable jaw 20 relative to the fixed jaw 32 broadly viewed the adjustment mechanism 70 includes a rotatable shaft 80 an actuator 72 and a gear train 110 operatively connecting the shaft 80 to the moveable jaw 20 the shaft 80 is rotatably mated to handle 50 and disposed mostly if not entirely in recess 54 the shaft 80 includes a rear portion 82 a forward portion 84 and a middle portion 90 the rear portion 82 typically takes the form of a simple rod like extension and fits into a corresponding support 64 of handle 50 the middle portion 90 is of larger diameter and has an spiral groove 92 in its outer surface the.