TS-2.2:~ Combines time-tested functions from the legendary TS-2 with new features to make it more accurate and versatile than ever. Accepts wheels up to 29" with or without tire. Calipers accept rim widths up to 4". Accepts hub widths up to 175mm. Removable/replaceable composite caliper tips protect painted rims. Stronger, more comfortable knobs. Uprights move simultaneously to accommodate front and rear wheels. Spring-loaded calipers and caliper arm prevent binding. Nickel chrome plated heavy gauge steel. Smooth, accurate operation. Can be bench mounted or installed in a bench vice.