describe Function: Wood bit positioners make drilling easier, straighter, and more precise. Uses a 1/4 hex arbor and can be used with cordless and corded drills, as well as impact drivers. The fence can be attached to any of the 4 sides of the square base and supports a multi-directional insert. V-shaped grooves in the base make it easy to drill holes in the center of tree trunks, such as B. dowels. Large chip flute design allows chip removal to be faster and smoother, making drilling less laborious and improving work efficiency. Feature: Red color Material: Plastic + Carbon steel