ACE 515291 Bit Drive Guide, 1/4 in Shank, Hex Shank

ACE magnetic drive guides are great when working with long fasteners or driving screws into tight or confined spaces. The outer sleeve protects fingers, keeps the fastener straight and reduces slipping and wobbling. Simple setup pull the sleeve back, insert your bit, insert your fastener and pull the sleeve over the fastener. The sleeve retracts on its own as the fastener is driven into the workpiece. Guide will hold and cover fasteners up to size #10. This unit is 4-3/4 in length when retracted and 7-3/8 in when extended.