Single Groove O-Belt Conveyor Roller (2240) Zhejiang Damon Industrial Equipment Co., Ltd. Base Info Model NO.:2240Tube Dia:38,48.6,50,60mmShaft Dia:11hex,8,10,12,15mmLength:Can Be CustomizedTube Material:Steel Z,P, SsTrademark:DAMONSpecification:Universal rollersOrigin:Huzhou, Zhejiang, China Description Pre:Double Polymer Sprocket Roller (2224) Next:Double Steel Sprocket Roller (2321)