Norton India Multiform Superslip Professional Machine The dark gray side of

The dark gray side of the stone is a ceramic material composed of synthetic sapphires

It is spring loaded

The Naniwa Stone Holder raises the stone 1 1/4" (32mm) above the work surface

--> The Naniwa Lobster line of stones is Naniwa’s most budget-friendly option

Norton India Multiform Superslip Professional Machine The dark gray side ofVersatile Sharpener for Carving Tools. Buy Both and Save The Norton Multiform Superslip is designed to be a versatile tool for sharpening carving tools. One of the edges of the Superslip has a round edge that tapers from 1 2" to 1 8" to sharpen gouges. The other edge has a straight angled taper for use on v tool edges. The Multiform Superslip uses Fine and Medium India oil stones. The Norton India Multiform Slipstone is 4 1 2" x 2". Fine Grit: Norton