Brand New Standard Sharpening Wheel for Wolff Scissor Sharpeners. For use with the Wolff Twice As Sharp Sharpening Systems. Products the best sharpening results on both stainless and carbon steel scissors. 100-120 grit. 5" diameter X 1/2" wide. Brand New Standard Sharpening Wheel for Wolff Scissor Sharpeners. For use with the Wolff Twice As Sharp Sharpening Systems. Products the best sharpening results on both stainless and carbon steel scissors. 100-120 grit. 5" diameter X 1/2" wide.