Swivel Tile & Grout - Stiff Polypropylene by Magnolia Brush Save Liquid error (product-badge line 32): -Infinity% $8.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Stiff poly bristles designed to get into grout lines. Swiveling motions allow easy access to hard to reach places. Required threaded handle, not included. Overall Length: 9" Bristle Length: 1"