Axial Blower & Cordless String Trimmer Combo, Includes Bcbl700 20V Cordless Axial Blower & Lst201 20V Cordless String Trimmer, Blower Is Designed For Areas Of Overgrowth After Mowing, & For Edging Of Grass Around Borders, Walkways & Posts,Easily Converts From Trimmer To Wheeled Edger, Automatic Feed Spool Automatically Feeds Trimmer Line When Needed With No Bumping Required, Lightweight Design Of Only 4.5 LB, With An Adjustable Height & Handle For Ideal User Comfort, Uses 20V Max Lithium Ion 1.5 Ah Battery, Holds It's Charge For Up To 18 Months, 10" Cut Swath, 0.065" Line Size, 9,000 RPM, For Replacement Spool Use #Af-100, Blower Runs Off The Black & Decker 20V Platform, Maximizes Air Volume & Efficiency With310 CFM & 90 MPH, Built In Scrapper, With Dual Speed Switch For More Control To Boost Power Or Increase Run Time, Lightweight At Only 6 LB For Ease Of Use.