The Hyper Tough Twisted Trimmer Line Replacement Spool 3 pack is designed for use with Hyper Tough string trimmers. This spool contains 16 feet of 0.065 inch diameter twisted trimmer line, providing a reliable and efficient cutting solution for your yard and garden. Easy to install and compatible with the Hyper Tough brand, this replacement spool ensures that your trimmer continues to perform at its best. Upgrade your outdoor power equipment with this quality trimmer line replacement for a well-groomed and neatly maintained outdoor space.