Hook and loop discs SA331 - film. Very suitable for sanding of paints, sealants and plastics. The perfect professional tool for car body work, especially excellent for contour sanding. Its characterised by long lifetime and high resistance against clogging. Very good use in joinery sektor. The advantage of SA331 is a film- a high quality base material compared to other standard materials. It's unique in high strength and resistance to tearing, yet very elastic. Application: paint, varnish, mastic, plastic, wood.