Belt Grinder 2x72 Wheel Set Perfect for Knife Grinder, Complete Belt Knife Grinder Wheel Set Including 4" Drive Wheel with 5/8" Bore 3" Tracking Wheel 2" Idler Wheels (4"5/8-3"-2") - Amazon.com
2x72" Belt Grinder Wheels-130 mm Drive -24 mm Shaft, 100 mm Tracking 50 mm Idler | eBay
AMK-77 2X72 Belt Grinder 1.5hp motor 12" wheel
Belt Grinder RUBBER Wheel for 2x72" knife making grinder - 10" Diameter | Origin Blade Maker