Tapered button bits(33 mm, 35mm, 45mm, 51mm, 57mm, 64mm, 70mm, 76mm, 89mm, 102mm, 115mm, 127mm, and so different degree Thread for example: R22,r25,r28,T38,T45,T51,etc)

Drifter Rod ( Hex 32 mm, 35mm, 38mm, Round 32mm,38mm,45mm,51mm,)
Retrac button bits with different thread different diameters.(51mm, 64mm, 70mm, 76mm, 89mm, 102mm, 115mm, 127mm,)