Crimps for heating, ventilating and air conditioning. Made from quality steel for better edges with a treated industrial finish to help prevent rust. Cushion grip handles. Use for joining sheet metal pipes of the same size [can be corrugated, round or square] or repairs in the field. Matte black finish and red plastisol grips. Compound action. Throat depth is 1-1/4"; length is 9-1/4".