Neilsen 9pc Low Profile Stubby Short Impact Hex Bit Socket Set 6mm - 19mm This set ideal for use in any application where access is restricted. Heavy-duty bits manufactured from chrome molybdenum with a one-piece construction for strength and durability and a black phosphate finish for improved corrosion resistance. Suitable for use with air/electric impact guns. Contents: 4 x 1/4"D socket bitx x 19mm long: 6,7,8,10mm. 5 x 3/8"D socket bits x 29.4mm long: 12, 14, 17, 18, 19mm. Fit in XPE foam tray convenient for storage.