Inquiry (采购产品): measure out of roundness We are a Mechanical Seal manufacturer. We machine & lap Seal rings out of metal, plastic or carbon. We are looking for a tool to measure the ring for out of roundness within .001" or less (ring size 4 to 13 inch) **** Hidden Message ***** William (Bill) Simmons 77357 Company: Robco of America E-mail: bill@robcoamerica.com **** Hidden Message ***** bill@robcoamerica.com