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Struggling to get that chainring installed? The Park Tool CNW-2 Chainring Nut Wrench is the perfect piece of equipment to get 'er done easily.
Double-Ended to Fit Most Slotted-Type Nuts
The Outer Width of Both Ends Are Nominally 12mm Wide
One End Has Two Outer Tips Nominally 2.7mm Wide Each, the Other End Has Tips of 3.8mm Each
Blade Thickness is Nominally 1.35mm