Extra stiff white nylon bristles in a 3 1/2″ x 1 1/2″ block.
WARNING! This product does not contain substances above the safe harbor level established by the list from California Proposition 65. However, during the normal use of the product, dust and particles can be created during the sanding, drilling or grinding process on materials such as wood, paint, cement, masonry or metal. For more information visit www.P65Warnings.ca.gov.
