Measure diameter of internal grooves (width of groove _3mm)
Anvil is needed
Optional accessory:0.01mm or 0.001mm graduation dial indicators, setting ring
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Insize 4808, WIRE GAGE, 0-36(.3249~.0050"), 6928640330155
Dynabrade 97566 1/4" Safety Coupler, Female
Standard Abrasives 705686, A/O Straight Cartridge Roll, 1/4 in x 1-1/2 in x 1/8 in 80, 7100080009 