Dynabrade 79440 4" Dia. x 5/8" Center Hole, 60 Grit, Type 29, Ceramic DynaCut Flap Disc, 10/pack 
Rokide TC (Chrome Oxide) Black Ceramic Rod, 1/4″ x 24″, Saint Gobain 989100208000
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Properties: Good Resistance to Mechanical Friction, Good Abrasion Resistance
Applications: Pump Sleeves, Pumps Shafts, Impellers, Casings, Pump End Plates, Mud Pump Shafts, Mechanical Seal Faces, Valve Stems, Suction Box Covers, Oil Seals, Wire Drawing Capstans, Wire Draw Blocks, Sheaves, Drawing Rolls, Guides, Pulleys, Heat Seal Bars, Heat Seal Jaws
