1.Spindle Travel:6-7/8''/175mm 2.Spindle Speed:70,88,118RPM 3.Hand wheel Graduations:0.05mm 4.Rotor Diameter:180mm-381mm FeaturesC9350 Brake lathe is capable of faster, more accurate and easier resurfacing the lathe. Infinitely adjustable feed rates allow you to easily modify cut drum, Fast and slow setting allow cutting the rotor, There are three kinds of spindle speeds to choose 70,88, ...