Black Jack Speed-Fill Blacktop Crack Filler, 10 oz. is a fast-drying, rubberized compound designed specifically for filling cracks in asphalt roads, driveways, pavements, expansion joints, and walkways. This innovative speed-fill formula a durable and flexible repair for cracks and joints up to 1 inch wide, with a quick drying time of just 60 minutes. The filler also effectively seals foundation walls and other pavement surfaces, drying to a dark black finish that enhances the appearance and longevity of your seal coating projects. This product is i for anyone looking to quickly and efficiently maintain and repair blacktop surfaces. Model Number: 6439-9-66