Hydraulic Expanding Jelly Filled Between Center Mandrel. At CONCENTRICTM ROTARY, hydraulic holding tools such as hydraulic arbors, hydraulic chucks, hydraulic nuts, and inspection fixtures are our only business and we've been in the business for over 35 years. That is reassuring when you consider the cost of custom tooling and your critical job schedules. Maybe you have purchased competitors' tooling in the past and were less than satisfied. More and more companies are turning to CONCENTRICTM ROTARY for dependable service and consistent accuracy. Why not put our experience to work? Send us your requirements. We will be glad to work with you to make your operations easier and more profitable in the long run for you and your customer. Rotary Engineering Corporation WE MAKE PEOPLE QUALITY CONSCIOUS www.rotarymandrels.com www.concentricarbors.in www.indiamart.com/rotaryengineering/ 1St >>> E-mail: RECmandrels@gmail.com 2Nd>>>E-mail: info@rotarymandrels.com Smile... It makes you Beautiful!