• Order No.3420-01001 (Range: 0-15mm/0-0.6" L=77mm) • Order No.3420-01011 (Range: 0-25mm/0-1" L=87mm) • Resolution:0.01mm/0.0005" • Accuracy*: ±0.03mm/±0.001" • For inner and outer dimensions. • Origin starting zero point setting at any slider position. • mm/Inch conversion at any slider position. • Manual (Auto) power on/off.