Fine (aluminum oxide) - Non-contaminating. For finishing non-precious and semi-precious metals. Non-clogging binder continuously exposes sharp new abrasive with absolute minimum of heat. Special metal bushing assures perfect centering, true-running and safety. Heatless wheels. SHAPE #SIZE
1
1" x 3/16"
2
1" x 1/8"
3
1" x 3/32"
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