The CNW-2 make chainring bolt set installation and removal easy. It securely holds the slotted nut to prevent spinning when tightening or loosening the bolt. Double-ended to fit most slotted-type nuts.
The outer width of both ends of the CNW-2 are nominally 12mm wide. One end has two outer tips 2.7mm wide each, and the other end has tips of 3.8mm each. The blade thickness is 1.35mm.