Accuracy: 1% of deviation between workpiece size and setting ring, or example measuring inner groove of 21mm, use a 20mm setting ring for calibration, accuracy is (21-20)_1%=0.01mm
Eepeatability .0005″
Optional accessory: digital indicator
Suitable for contact point except 2436-200L, digital indicator, setting ring

3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case
Insize 6301, MICROMETER STAND, 6928640307300 