Rasping Jab Saw Our Rasping Jab Saw is the only jab saw on the market to integrate rasping holes along the side of the blade to rapidly expand holes or smooth rough edges of sheetrock after a cut has been made. Complete with ribbed indentions to increase handle grip, the new jab saw also features a thick 6” plaster/drywall blade for increased durability and life. The piercing tip makes this tool is ideal for penetrating drywall, and the blade allows you to cut plaster with ease. With a tether-ready lanyard hole and anti-roll handle, the MILWAUKEE Rasping Jab Saw is perfect for contractors and builders.