Proto Insert Bit Set J61906 Features Magnetic Base Provides Tool Organization As Well As Portability. Strong Magnetic Bond Allows For Superior Holding Strength. Mixed Assortment Of Standard & Slotted & Phillips And Torx Tips And Clutches To Help In A Variety Of Tasks. The holder Allows Bits To Remain Organized In A Tool Box Drawer As Well As On Any Metal Surface English. Magnetic base provides tool organization as well as portability Strong magnetic bond allows for superior holding strength Mixed assortment of standard & slotted & Phillips and Torx tips and clutches to help in a variety of tasks Holder allows bits to remain organized in a tool box drawer as well as on any metal surface No. of Pieces / 38 Hex Shank Size / 1/4 inch Fastening Tool Material / Steel Impact Rated / No Includes / 1, 2-1/4 inch Magnetic Bit Holder, 7-inch Magnetic Base, Clutch Bits 1/8 to 3/16 inch, Phillips #0, #1, #2, #3, Slotted 5/32, 7/32, 1/4, 9/32, 1, 1-1/2 inch, Socket Head 3/32 to 3/16 inch, Square Recess #0, #1, #2, #3, Torx T6 to T40