- Best for sanding on flat surface with 10mm thick harder sponge!
- Best size and thickness to hold make your work more efficiency!
- We use high durability sponge. It is hard to be tore, so you can cut them to suit your purpose.
- We use ink which is harder to be smudged one, so you can use it for wet sanding without worrying.
- Grade #120: 4pcs, #240: 4pcs, #400: 4pcs