Unior 1698 Bottom Bracket Tapping Tool bb Italy Thread

material: special tool steel
    ergonomic heavy duty double component handle
    This tool is used for tapping the threads in the bottom bracket shell of a frame. When cutting left and right thread, insert the tool at one time parallel from both sides into the bottom bracket shell. Design of the tool enables effective and precise work. The 1698 model is intended especially for frames of Italian origin that have a right-hand thread on both sides (36 mm x 24 tpi).