Supra Industries offers the widest range of PSA (PressureSensitive Adhesive ) and Speed - Grip (Velcro) backed clothdisc that are used in a wide array of applications across severalindustry segments.These disc are typically used on the following machines,Rotary Right Angle Sanders with PSA or Velcro back uppads. Random Orbit Sanders or Dual Action Sanders with PSAor Velcro back up pads.Stationery Rotary Machines for off-hand finishing ofcomponents.