Adjustable Rotary Circle Cutter Model 27500. Pre-set stops for five popular button sizes: 1", 1-1/2", 2-1/4", 3", 3-1/2" - easy and fast adjustment between sizes. Top mounted quick-release knob for odd size adjustments. Cuts full range of button sizes from 1" to 3.5" (Actual Cut Size: 1.313 to 4"). Click Here To Learn More.