HOME > Accessories > Pocket Hole Jig Square Driver 150mm Bit No.2 Robertson Pocket Hole Jig Square Driver 150mm Bit No.2 Robertson Pocket Hole Jig Square Driver 150mm Bit No.2 Robertson Item Number : WF-MPSD Made specifically for Pocket-Screw Joinery. 1/4" hex shank works with any quick change chuck. Drivers come in standard version Product Dimensions : 6" L Color : Sandblast: Material : S2 Steel