8-inch Roller Tamp with 1-3/8-inch Diameter Button Adapter weight 4 lbs. Works great in small areas, steps, or close to buildings and walls. 8-inch Roller Tamp with 1-3/8-inch Diameter Button Adapter Special handle keeps finisher from scraping against forms. Use with a 1-3/8-inch swaged button handle or adapter. Handle and adapter sold separately.