Brand Name: Marshalltown
*Width: 3 in.
*Length: 6 in.
*Grit Type: Coarse
*Grit: 20 Grit
*Product Type: Rub Brick
*Wet or Dry: Wet and Dry
*Number in Package: 1 pk
*Block Width: 3 in.
*Block Material: Silicon Mineral
*Block Length: 6 in.
*Packaging Type: Boxed