SALIENT FEATURES Available of two types :- (a) Grouted type with central shaft with spokes to hold the Stainless steel aluminium cylinder. (b) Portable shaftless with outer rings holding the Stainless steel aluminium cylinder. Both these varieties are available with blank or perforated cylinders of 6' or 8' diameter of different lengths. Suitable for use in improving the roundness of CTC cut particles normally with the blank googie and also for shifting sized particles in a perforated googie.