OHZ1612 Features: * Adjustable cutting blade bores a variety of hole sizes * Micro-dial screw can be turned to the desired boring diameter * Bits have taper square shank for use in a hand brace * For general purpose boring in all types of wood where a variety of larger size holes are required * Excellent for installing locks, roughing holes for pipe, school shop projects and similar work * Wedge type blade lock and medium-slow screw point * Adjustable cutting blade bores a variety of hole sizes * Cuts 35 standard hole sizes in increments of 1/8"" Includes: * Includes cutters 44233 and 44234 Construction: * One-piece drop forged construction