B/BRACKET THREADING TOOL " PROFI " BSA (1,370" x 24 tpi)

B/BRACKET THREADING TOOL " PROFI " BSA (1,370" x 24 tpi)
Material used in cutters: X 210 Cr 12; hardness: 61 HRC

INFO
At the begin of cutting, left and right part of the tool need to be screwed simultaneously.The fitting guide prevents damage of the existing thread inside of the bottom bracket.