Features and Benefits:?Precision drilling: Use for setting cable bits into proper location within the interior of walls?Versatile: Works with cable bits 3/8" to 3/4" in diameterUse the Milwaukee? placement guide for accurate placement of holes when installing small wire systems. Designed for use in conjunction with Milwaukee cable bits 3/8 in. to 3/4 in. in diameter, the guide helps you properly locate holes within the interior of a wall. The guide features a no-slip grip. Instructions included.