Product Description Tampico is well suited for medium to Rough scrubbing, will hold ample fluid and resists caustic chemical attack. The hardwood block features one hole for a threaded handle. The white Tampico bristles feature a 1-1/16 inch trim. This DQB acid scrub brush is 8 inch long making it the perfect size for any job. From the Manufacturer The DQB Acid Scrub Brush offers high fluid retention and is densely packed in a hardwood block that can be used by hand or with a handle for scrubbing brick or masonry.