Unior Special threading tool for metric crank 3 1965

Features:

• Its function is to restore rusted or damaged threads. Available in three different thread sizes.
• The finish prevents external damage.
• M10
• Frame tap for derailleur hanger (616079) M5
• Frame tap for water bottle, mudguard and luggage rack bosses (616078) M3
• Frame tap for rear wheel dropout alignment screws (616077)

Specifications:

• Material: Premium Plus Carbon Steel