ITEM NAME:6pcs 100mm 1/4 Inch Magnetic Hex Shank Torx Hexagon Head Screwdriver Driver Bit Product Description Description: Descriptions: 6 Pcs 100mm Length Hex Shank Magnetic Hexagon Screwdriver Bit Set Those Hexagon Screwdriver Bits are made of S2 alloy steel which is a commonly used material in hardware with high hardness. 6 Pcs a set at an inexpensive price can meet your requirements. Magnetic bits can be firmly fixed on screwdrivers. Specifications: Materials: S2 alloy steel Type of Head: Hexagon Type of Shank: Hex Dia. of Shank: 6.35mm / 1/4 inch Length of Screwdriver: 100mm Size of Bit: H2.5, H3, H4, H5, H6, H8 Quantity: 6pcs Usage: For 1/ 4" Pneumatic Screwdrivers Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth. Included: 1 x 100mm*2.5mm Hexagon Screwdriver bit 1 x 100mm*3mm Hexagon Screwdriver bit 1 x 100mm*4mm Hexagon Screwdriver bit 1 x 100mm*5mm Hexagon Screwdriver bit 1 x 100mm*6mm Hexagon Screwdriver bit 1 x 100mm*8mm Hexagon Screwdriver bit.6 Pcs 100mm Length Hex Shank Magnetic Hexagon Screwdriver Bit Set. Those Hexagon Screwdriver Bits are made of S2 alloy steel which is a commonly used material in hardware with high hardness. 1 x 100mm 2.5mm Hexagon Screwdriver bit.