Precision-machined tip for exact fit. Cushion-Grip handles for superior torque and comfort. Patented Tip-Ident quickly identifies the type of screwdriver and the tip orientation so you can easily engage the screwdriver tip with the screw. Double wings inside handle provide solid- twist-resistant blade anchor. Set contains: 1/4in Keystone tip (Cat. No. 600-4)- 3/16in Cabinet tip (Cat. No. 601-6)- 5/16in Keystone tip (Cat. No. 600-6) and No. 2 Phillips tip (Cat. No. 603-4).