Optimal performance: up to 62 minutes of runtime** Power boost: 2-speed control let's you boost power or extend runtime Ease of use: adjustable height for comfort and control Easily converts from resin blade trimmer to wheeled edger Afs auto feed spool: no bumping required Optimal cutting power: powerdrive transmission provides torque for optimal cutting power On-board storage: convenient on-board blade storage for up to 6 blades