Saw blade type: reciprocating saw blade. Package content: 1. Universal: suitable for wood with nails, metal sheet, aluminum, and plastic. The Super Express blade features progressive teeth, making it especially suitable for cordless machines. It offers excellent performance in demanding applications such as wood with nails and sheet metal, as well as aluminum profiles. This blade is designed for use with cordless tools. Sub-brand: Super Express. Application: wood, metal, reciprocating saw, sections, pallets, boarding, window attachment, and securing. Features: very progressive tooth size and slim body provide super fast cutting.