5/16″ JIS Impact Screwdriver Bits | Made in Japan | +1 +2 +3 +4-10 (36Mm
5/16″ (8mm) Heavy Duty Hex Impact Screwdriver Bits – Molybdenum Vanadium Steel. Includes 5 bits. Sizes +1 +2 +3 +4 -10 X 36mm long. Product Features. We promise we can make you happy if you give us a fair chance.