3M Softback Sanding Sponge, 02604, 4 1/2 in x 5 1/2 in (115mm x 140mm), Fine, 20 sponges per pack
- Flexible foam backing adapts to unique contours and access hard-to-reach areas
- Aluminum oxide abrasive offers a long life and fast cut
- Waterproof bonding system allows for either wet or dry sanding applications
- Sponges are made for hand sanding
- Versatile sanding sponges work on many surface materials
- For industrial/occupational use only. Not for consumer sale or use.