Astro Products Chainring Nut Wrench 2007000014127 1 pc

Catalog number: 2007000014127 Features: ●This wrench prevents the ring fixing bolt from rotating when removing the chain ring of a bicycle. ●It can also be used to remove the cap of the clamp bolt by using the other side. Uses: ●For replacing chain rings. Specifications: ●Total length (mm): 90 ●Two-sided width (mm): 9 x 10 ●・Total length: 90mm ●・Wrench thickness: 1.7mm ●・Chain ring wrench width: 12.5mm ●・Crank bolt cap wrench width: 19mm ●・Hexagonal hole size: 9, 10mm Material/Finish: ●Steel S45C (hardness HRC40-45) Caution: ●・It may not be usable depending on the condition of the nut.