BLACK+DECKER 13-in Straight Corded Electric String Trimmer with Edger Conversion Capable in the String Trimmers department at Lowes.com
BLACK+DECKER Removable Wheeled Deck for 12 in. Electric Straight Shaft Single Line 3-in-1 String Grass Trimmer/Lawn Edger/Push Mower MTD100 - The Home Depot
Amazon.com : BLACK+DECKER 20V MAX Cordless String Trimmer, 2 in 1 Trimmer and Edger, 12 Inch, Battery Included (LST300) : Patio, Lawn & Garden