Park Tool Digital Caliper

The Park Tool DC-1 is a digital caliper for accurately measuring seat posts, head tubes, bearings, spoke diameters, and other bicycle components. The DC-1 is a precision instrument built with stainless steel mechanisms and a rugged ABS composite body. The tool’s ability to measure in metric, decimal inches, and fractional inches in external, internal, depth and stepped dimensions make it an indispensable shop tool. Accuracy: +/- 0.02mm/0.001 (-100mm) Repeatability: +/- 0.01mm/0.0005″ Uses SR44 batteries