The ADJUSTABLE SPRING HEAD is a great tool to use with a snail lock diamond. While this tool will accept any snail lock tool (diamonds, polishing heads, brushes, ect.), it was specifically designed to remove the fiberglass and resin backing from the back side of the countertop. Because it will follow the stone thickness with the springs there is no need to worry about tool wear and controlling Z height. This makes it easy for your programmers and your wallet.