OLFA (CMP-3) Rotary, Ratcheted Circle Cutter 8.5" #1057028 grommet setter Sharpen your swivel knife blade

Sharpen your swivel knife blade at the correct angle and maintain proper position

The use of a poly or rawhide mallet is recommended

window films

The material being cut is held in place by one blade which is slightly serrated providing maximum control

OLFA (CMP-3) Rotary, Ratcheted Circle Cutter 8.5" #1057028 grommet setter Sharpen your swivel knife bladeEasily make perfect circles every time; cuts multiple layers The ground breaking patented ratchet mechanism of the rotary circle cutter easily and efficiently cuts clean, perfect circles from 1 7 8" to 8 1 2" every time. Designed for both right and left handed use and reduces wrist fatigue connected with 'yo yos', Cathedral Windows, Drunkard's Path, etc. Includes a built in blade cover for safety, and a plastic guard to cover the pivot spike when not