Unior 1695/3mm M3x60.5 Frame Tap for Derailleur Hanger

material: special tool steel
Its function is to scrape out the rust or restore damaged threads. Available in three different dimensions.
The finish prevents from external damages.

M10 - frame tap for derailleur hanger (616079)

M5 - frame tap for water bottle, fender, rack bosses (616078)

M3 - frame tap for derailleur hanger (616077)