Weiler 25252 Counter Duster, 8 in L Brush, 13-1/4 in L x 1-3/4 in W Block, 2-1/2 in L Polystyrene Trim, Medium Bristle Firmness. Weiler Corporation is an industry leader and global manufacturer of surface conditioning solutions. Weiler is an ISO-9001 manufacturer providing quality power brushes, abrasives, maintenence products and application solutions. We are proud to offer a full line of Weiler abrasive products and surface finishing solutions to meet your needs.