Starlock, 3/4", carbide, plunge cut, blade, carbide teeth for high performance in metal & other materials, 30x life compared with standard bi-metal blades, for use on iron bar, black pipe, metal nails & staples, wood with nails, drywall & ceramic tile, starlock interface for professional performance, also works with ois compatible tools including bosch, fein, milwaukee, makita, rigid & others.