For sale is a Double-End Grinding Wheel-Head from a USL Tool and Cutter Grinder. Cast iron frame. (1) Wheel mount and wheel guard. Mounting bolt hole pattern: 80mm (center to center) (F to B) X 135mm (center to center) (L to R). Approximately 87mm from bottom of base to C/L of spindle. The spindle of this wheel-head turns smoothly by hand. It seems that it takes the same hubs as Cincinnati number 2, although this is not guaranteed.