Features . 7-3 4 in. Acid Scrub Brush.. 1 in. White Tampico Bristles Wood Block With Threaded Handle Hole.. Most Popular Natural Fiber Acid Brushes For Scrubbing Masonry Other Surfaces.. Designed For Use With Handle No. 770867.. Handle Not Included.. Dimension - 7.5 L x 5 W x 5 H in.. Item Weight - 0.59 lbs.