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

Standard Abrasives 875011, Buff and Blend Flap Brush, 8 in x 1 in x 3 in FB090 20-71 A MED Hard Density, 7010310318
Insize 0010-A35, SOUND LEVEL METER, 35dB~130dB, 6974029777004 