Features:* 100% brand new and high quality.* Premium quality replacement strimmer head cover and complete spool and line * High impact ABS material for strength and durability.* No tools needed to install.* Snaps in place above the spool line.* Snaps quickly and easily in place without the need for tools to effectively spool.* Protects your line and keep it in place on the string trimmer.* Sturdy and durable, long service life.* Easy to install and reliable to use.* Fit for automatic single row cutting system, compatible with HT-19-401-003-06 and HT-19-401-003-07 * Diameter 0.065 inch * 16.4ft (1.7mm * 5m) each * Fit for Hyper Tough 20V Max TrimmersPackage Contents:3 * Line SpoolNote:1.The actual colors of the item may be slightly different from the pictures displayed on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.