Homelite Genuine OEM AC41RL3 Autofeed Dual .065&rdquo; Replacement Line and Spool Pack for Homelite Electric String Trimmers (3 Pack) COMPATIBLE MODELS: Homelite UT41112, UT41121 Electric String Trimmers DURABLE .065 ROUNDED LINE: This thickness and shape is ideal for cutting through light brush and grass stalks EASY INSTALLATION: You only need to snap this in and pry it off for installation; no nuts and bolts necessary PRE-WOUND: No need to waste time winding your line. This comes pre-wound, so you can get to work right away EASY REFILLS: If you run out of string on this while youre doing your job, no problem! Clear directions are printed on the trimmer line shell that point out where to insert new string and which direction to wind it