3M Sanding Sponge Block, 12-Pack, Medium Grits, 3-3/4 in x 2-5/8 in, Designed For Sanding Wood, Paint, Metal, Plastic or Drywall, Features 3M Abrasive, Made with Durable Flexible Foam (CP002-12P) Color:Black, Gray Combine 5 parts cold water

Combine 5 parts cold water to 1 part concentrate

and safety

sanitizer values for both chlorine and bromine testing (calibrated to work with Taylor pH reagents R-0014

Neoprene seal keeps your rods air and water tight

3M Sanding Sponge Block, 12-Pack, Medium Grits, 3-3/4 in x 2-5/8 in, Designed For Sanding Wood, Paint, Metal, Plastic or Drywall, Features 3M Abrasive, Made with Durable Flexible Foam (CP002-12P) Color:Black, Gray Combine 5 parts cold water3M Sanding Sponge Block, 12 Pack, Medium Grits, 3 3 4 in x 2 5 8 in, Designed For Sanding Wood, Paint, Metal, Plastic or Drywall, Features 3M Abrasive, Made with Durable Flexible Foam (CP002 12P) Handy value pack of 12 sponges Use for general purpose sanding Intended for use on most surfaces Conforms to your surface for easy sanding Resists clogging