The Park Tool Dial Indicator Gauge Set provides precise and accurate measurements of lateral and radial runout during wheel truing. Compatible with most Park Tool Professional Truing Stands, it features non-marring indicator tips that glide along the rim sidewall or outer edge, detecting deviations as small as 0.01mm. The easy to read gauges display exact measurements, while adjustable range markers help visualize and fine-tune your target tolerances. The set includes all necessary mounting hardware for a secure, straightforward setup. The Park tool Dial Indicator Gauge keeps your alignment in order.