The three-in-one truing stand from K&L Supply helps you make the most of your workspace Use it to build and true spoke wheels Check for run out on crankshafts, wheels, fork tubes, and to balance spoke and mag wheels Features rugged construction throughout, with ease of use Sold Separately: Dial Indicator Arm,910-723 , Standard Dial Indicator Gauge, 910-721, and Metric Dial Indicator Gauge, 910-722 Replacement Parts: Bearings for top rail bracket, 910-724, bearings for lower rail bracket, 910-725, and tapered wheel cone, 910-726.