Parallel resin corundum wheels for metal Polishing hard alloy and other tools; Durable,wide range,less heat, OEM is ok. Parallel resin corundum wheels for metalPolishing hard alloy and other tools;Durable,wide range,less heat,sharp,High grinding effciency; OEM is welcome;Passed ISO9001:2000 of CQCApplicationUsed for semi-atuo, external circular, plane, unintentionally, tools, cutting, notching ...