●🛠️【Adapted Models】:🌟Line Model-AL2420PD, compatible with all EGO 15-Inch String Trimmers, and string trimmer heads designed to handle .095-inch line. Suitable for the following string trimmer models: ST1500, ST1500-S, ST1500F, ST1500SF, STA1500, ST1502SA, ST1520S , ST1502SF, ST1504SF, ST1502XY, ST1500XY, ST1511T, ST1623T, ST1523S, STX3800, ST1510T. ●💯【Enabling efficient cutting】: Our weed wacker string has a triangular twisted shape, coupled with the 095-inch thick wire diameter, the cutting efficiency is increased by at least 30% or more, it can easily cut through thick weeds, and is a breeze in lawn edges, rock edges, and other scenarios page. ●💎【Abrasion Resistant】:The professional twisted line is made of an upgraded nylon polyamide material that is abrasion-resistant, heat-resistant, and 30% more durable than other brands, ensuring a longer lifespan. This eliminates the need for you to constantly worry about breaking your weed wacker string, which can lead to frequent stops for adjustments. ●🎯【Center Positioning】:Dual color trimmer line, no need to manually align, quickly locate the center of the trimmer string for easy changeover and increased efficiency. ●📏【0.095”/14FT Twisted Line】:Each roll of trimmer line is 0.095 inches in diameter and 14 feet long in a triangular twisted trimmer line.Includes 4 rolls of trimmer line.