90MM POM+²»Ðâ¸Ö¸´ºÏÅ̼ÓÖá
70MM thick POM platter + 20MM thick non-magnetic stainless steel platter
Double oil vacum design to lubricate the bearings better
Single point ceramic-ball bearings with long life
Axial and radial swing range <= 0.03mm
High precision polishing shaft, surface accuracy 2um
Diameter: 310mm Thickness: 90mm Net Weight: 15 kgs