55-265 Speed Feed 2 Line Trimmer Head 4 12 Inch Straight ShaftProduct ReviewP Click on the link for more reviewsP4 12-Inch Two Line Speed-Feed HeadPMounts On Most Straight Shaft TrimmersPLarge Durable Eyelets Increase Line LifePAdapters Included: 7mm x 1.0 LH 8mm x 1.25 LH 10mm x 1.