The hardwood block base has a threaded hole and a tapered hole for... ... more Product Info Carlisle 36193MX04 Flo-Pac Deck Scrub Brush, Hardwood Block, 2-Long Crimped Yellow Polypropylene Bristles, 10 L x 2.87 W (Case of 12) The Carlisle 36193MX04 Flo-Pac deck scrub brush can be used with most chemicals and solutions to scour decks and other surfaces, and measures 10 x 2.87 inches (length x wi