The Kincrome Go Through Screwdrivers includes a hex bolster for increased torque ability with the application of a spanner or socket. Perfect for those screws that are too tight to undo without the extra assistance. The Screwdrivers have magnetic tips for easier applications and ergonomic Contoured Handles for comfort and increased grip. - Go Through Hex Bolster For Increased Torque Ability With the Application Of Spanner Or Socket - Magnetic Tips To Hold Screws To The Driver - Ergonomic Contoured Handles For Comfort And Increased GripSpecificationsDrive Type: Phillips - Magnetic Tip: Yes - Material: Chrome Vanadium Steel (Cr-V)Product Length: 150mm - Shank: Hex - Size: No.3Standard: DIN