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The Super B TB-6715 Chainring Nut Wrench is a double-ended, economical bike tool built to tighten or loosen chainring nuts without the slotted nut spinning free. Its dual-sized design covers most slotted-type nuts, making it a handy addition to any home mechanic's or workshop's crank toolkit.
- Double-ended, economical chainring nut wrench
- Tightens or loosens chainring nuts and securely holds the slotted nut to prevent spinning
- Fits most slotted-type nuts
- Includes box wrench sizes of 9 mm and 10 mm