Descriptions: 10pcs H8 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. 10 Pcs a set at an inexpensive price can meet your requirements. Magnetic bits can be firmly fixed on screwdrivers.    Specifications: Brand: JAPAN SEALS 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:  H8 Quantity: 10pcs  Usage: For 1\/ 4!#!amp!*!quot; Pneumatic Screwdrivers Those bits fit for electric screwdrivers、 hand screwdrivers、 electric drills、 air drills and so forth.   Notes: Do not turn the screws with unmatched size、 in case get both screw and bit damaged. Please allow a bit manual measuring errors.   Package Included: 10pcs x 100mm*8mm Hexagon Screwdriver bit   More Details: