With this slow speed grinder, sharpening your woodworking tools has never been easier. Two, high-quality Norton® wheels come standard – A 3X™ High Performance (80 grit) for coarse grinding and an Aluminum Oxide (100 grit) for finish grinding. JET’s innovative tool rests take the guesswork out of sharpening with an integrated angle indicator and reference lines for alignment. Premium components loaded in to one comprehensive machine can only lead to one thing… Cutting Edge Results.