This is a tube squaring machine model Protem SE 65. It can machine workpieces of OD from 12.7 - 60.3 mm and can clamp ODs of 12.7 - 60.3 mm. The feed is done manually of a maximum of 10 mm with a scale and the clamping is done manually using a clamping lever. 3 stages of gear drive are available. The level 0s of the three stages are 425, 1200 and 1800 rpm respectively. You contact us for further details.