2"-6" Wide Measuring Range: Covers small engine cylinders to large diesel bores (50mm-150mm), ideal for automotive repair, engine rebuilding, and industrial machining
0.001" Ultra-High Accuracy: Features a precision dial bore indicator, ensuring repeatable measurements within ±0.001" for detecting cylinder wear, taper, or out-of-roundness
Geometric deformation detection experts: Three-point synchronized feedback technology generates roundness/cylindricity/taper data at the touch of a button for quick diagnosis of out-of-round or taper wear
User-Friendly Design: Dial bore gauge set includes a balanced dial indicator with clear markings, plus extension rods for quick adjustments. No batteries needed