Razor Sharp 3" Shaper Wheel Take control of your sharpening operations with a razor sharp 3" shaper wheel. This wheel can be used on any 1/2" arbor. Use it flat as is or take a rasp and create the profile you need right on the wheel to sharpen those special tools. The shaper wheel is made of compressed paper that creates a perfect surface to sharpen. Simply add a little jeweler's rouge to the wheel and sharpen in seconds. Razor Sharp 3" Shaper Wheel specs: 3" diameter wheel. 1/4" Thick. 1/2" arbor. Use on the Burke Sharpener add on for profile sharpening.