MIP SPEED TIP HEX DRIVER WRENCH SET (3) 1.5MM2.0MM2.5MMFeatures Fits any 1 4" inch chuck handle or drill in order to speed up wrench time! Tool hex cut with diamond wheel for ultimate precision Tool shank CNC ground from US Grade tool steel drill blanks Tight tolerances held within 20 Microns which is . 02 mm and moreover . 0008 in. ! To put that into perspective that's like taking a human hair and dividing it by 4 ! Every tool assembled by hand What's Included 1 x 1. 5 mm Speed Tip w label and wrap 1 x