For pre-cleaning screen fabrics. Stiff 7/8" (22 mm) plastic bristles work cleaning agents into material to work up to "tooth" for best film adhesion. Bristles are set in a 6-1/8" × 2-1/4" (16 cm × 6 cm) wood block.
Description: "Stiff black 7/8"" polypropylene bristles resist acid and help remove stubborn foreign matter and oils from screen printing fabrics. Perfect for use with mesh prep when getting screen ready for image. Bristles are set in a 6-1/8"" x 2-1/4"" hardwood block"
Description: " For pre-cleaning all screen printing fabrics Stiff 1"" plastic bristles work cleaner into fabric Builds ""tooth"" for good stencil adhesion 6"" x 2-3/8""Model #CB-638"