The CNW-2 makes chainring bolt and nut installation and removal easy. It securely holds the unique slotted chainring nuts in place to prevent slipping while tightening or loosening the bolt. Double-ended to fit most slotted-type nuts.

Specifications
The outer width of both ends of the CNW-2 is nominally 12 mm.
One end has two outer tips nominally 2.7 mm wide each, and the other end has tips 3.8 mm wide each.
Blade thickness is nominally 1.35 mm.

Mfr Claimed Weight
TBC