With abrasive on four sides, these 2 3/4" × 4", 1" thick sponges can work into right angles. They are excellent for refinishing work, as they can work into corners and odd spaces.
Available in 60x, 100x, 150x, 180x and 220x. Sold individually.
Made in Finland.
A sample pack of 10 (two of each grit) is available separately at a saving of 20% compared to buying the sponges individually.