Q: How do you use a sanding sponge?
Sand with even pressure in the direction of the grain, using a coarser grit first and working toward the pack's finer grits for a smooth finish.
08K3720 - 18-Pc. Sample Pack of Mirka HD 3"" × 4"" × 5mm Grip Abrasive Sponges
Used for both hand sanding and power sanding, these 5mm thick sanding sponges are made from high-density foam with abrasive on one side and a grip backing on the other. The 18-piece set includes three each of 100x, 150x, 180x, 220x, 280x and 320x, at a saving of nearly 20% compared to buying the sponges individually.
Made in Finland.
Sand with even pressure in the direction of the grain, using a coarser grit first and working toward the pack's finer grits for a smooth finish.
Rinse it under running water and squeeze out the grit, then let it air dry before reuse.
It's a flexible foam block with abrasive on one face, used here as this 18-pc. sample pack of Mirka HD 3" × 4" × 5mm grip abrasive sponges for both hand and power sanding.
| Materials | High-density foam with abrasive coating and grip backing |
| Dimensions | 3" × 4" × 5mm |
| Includes | Sponges (three each of six grits) |
| Package Quantity | Pack of 18 |
| Country of Origin | Finland |
| Warranty | Lee Valley Satisfaction Guarantee |
WARNING: This product can expose you to chemicals including Wood dust, which is known to the State of California to cause Cancer. For more information, go to www.P65Warnings.ca.gov (opens in new tab).

Options:
Variations:
18-Pc. Sample Pack of Mirka HD 3" × 4" × 5mm Grip Abrasive Sponges
Used for both hand sanding and power sanding, these 5mm thick sanding sponges are made from high-density foam with abrasive on one side and a grip backing on the other. The 18-piece set includes three each of 100x, 150x, 180x, 220x, 280x and 320x, at a saving of nearly 20% compared to buying the sponges individually.
Made in Finland.
Choose an option to view item availability.
Choose an option to view item availability.
Choose an option to view item availability.
Choose an option to view item availability.