Bolt capacity : 4 5 mm. Bit size(mm) : 6.35.Note : Product image may be slightly different than actual product received. The item "Air Impact Driver UD-301LA1 Pro Series Pneumatic Tools Twin Hammer" is in sale since Saturday, February 1, 2020. This item is in the category "Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Drills". The seller is "mirine" and is located in mirine. This item can be shipped worldwide.