Inquiry (采购产品): expanding mandrel I need two mandrels: a 2 3/4" dia and a 5" dia both 110" long face. Prefer air actuated for diameter reduction of 1/4". Other special requirements exist. If you manufacture this type of product please contact me. Jim **** Hidden Message ***** James Moomey 3171 N. Republic Blvd Toledo, OH 43615 USA Company: Cauffiel Technologies Title: Designer Phone: (419) 843-7262 x 205 E-mail: jimmoomey@cauffiel.com **** Hidden Message ***** jimmoomey@cauffiel.com