Trend SNAP/IPH2I/5 Trend Snappy 29mm bit PH No2 impact 5pk 29mm Pozi Insert Bits 5 Pack Impact DriverA pack of five 29mm No. 2 Phillips insert bits for use in impact drivers.The 29mm lng. allows fitting straight into an impact driver chuck.They have a round shaft to reduce breakage giving excellent torque transmission (can twist 20 degree) and extended life time.Cellulose acetate sleeve retains broken tip if it shatters.Optimum hardness for high loads.Precision milled profile for perfect fit and performance.Specification-OL=29 mmSize=No.2 PhillipsShank Diameter=1/4 inch hex