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

Dynabrade 51756 .1 hp Straight-Line Extension Pencil Grinder, Rear Exhaust, 35,000 RPM, 1/8" Collet
Dynabrade 51630 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet 
