Worx Turbine Fusion Leaf Blower, Mulcher, and Vacuum with Dual-Stage Metal Impeller and Turbine Fan Technology &ndash; WG510 Three-in-one single tube system: blower, mulcher, and yard vacuum, 2-speed control TURBINE fan technology delivers a powerful, high-capacity 525 CFM at 65 MPH, Turbine fusion weighs 9.3 pounds.No-Load Speed 16500/min Dual-stage metal impeller will shred just about any common yard debris, with a 24:1 mulch ratio for leaves and needles Comes with shoulder strap, leaf collection bag, and manufacturers 3-year warranty Power rating of 12 Amps and reaches 16,500 RPMs