... button bits (28mm, 30mm 32mm, 34mm, 36mm, 40mm, 42mm, 44mm and so on with different degree taper) Tapered Rod (Rod 19mm ... , 45mm ,51mm,57mm,64mm,70mm,76mm, 89mm, 102mm ,115mm,127mm and so different degree Thread for example: R22, R25, R28, R32 ... , hammers, spare parts, drill tubes)Buttons type :Spherical, Ballistic retrac and drop center button bits