Worx 120 in. Replacement Trimmer Spool Line Cap for Select Trimmers and Edger's (6-Pack) WA0010 - The Home Depot
Amazon.com: LOYPP WA0010 Trimmer Spool Line for Worx WG154 WG163 WG170 Edger Spool Refills 0.065 inch Trimmer Line for Worx Weed Eater String Wacker Replacement Parts with WA6531 Spool Cap (10+2) :