NINESTEPS SANDING BLOCKS FIRM TYPE (NSTL005)
The pack includes the most used sanding grits of 240, 400, 600, 800, 1000, & 1200 on 3 blocks.
Each block is clearly marked which grit you are using.
The firm sponge makes them comfortable to use and can be easily cut down in width and thickness to alter the flexibility for sanding curves.