Chalk Mountain Brushes are a must have to add to your brush collection. We offer Quality Boar Hair Bristle Brushes that we personally designed with an Ergonomic palm handle which is Easy on Arthritic Hands. Our brushes also come with a Aluminum Ferrule to insure NO Rusting. ALL brushes are covered under our Manufacturer warranty. Photo must be present upon claim of warranty. Chalk Mountain Brushes Multi Purpose 45 Degree Angled Sanding Sponge Block Medium grit work excellent for those detailed area on your painted project. Sand and shape contours with flexible foam sanding pads that conform to almost any surface. Great for sanding odd shapes, edges and grooves. These sanding pads can be used wet or dry. Reusable and washable, they last longer than sandpaper. The sponge is Flexible to sand edges, corners and grooves,Washable, reusable and excellent sanding performance. Uses include wood, drywall, metal, auto body sanding, Can be used wet or dry & Beveled edges for tight corners.