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Magnum Abrasives 6200 Straight Cup Grinding Wheel Type 6 C-16 (4" x 2")
Xucus 10pcs 2 inch diamond straight cup wheel for tungsten carbide hard alloy grinding resin bond small abrasive wheel 1/2" hole R019 - (Grit: 150) - Amazon.com
Type 6 Straight Cup Grinding Wheel 6" x 1/2" 46 Grit