This is genuine Worx replacement part.The cover protects the trimmer spool during use. The cover works together with the spool line assembly to allow line to feed out while trimming. This allows continuous trimming without having to stop often and replace broken string lines. With normal wear and tear, these covers can become worn, broken, or cracked. To remove the old cover, press in the tabs and the cover should pull right out.

Genuine Worx replacement Battery, this item is sold individually.
This is the Battery that provides power for the Worx outdoor products listed below.
The Charger for this Battery is part number 50015771.

This is a genuine Worx replacement part.
It is sold individually.
The 50015034 is the spool and line combined for your Worx Cordless String Trimmer.

To load the Spool and Line.
Remove the 50006531 Head Cover and insert it into the cutting head
And replace the Head Cover.

This is genuine OEM replacement part used on Worx electric trimmers. The cover works together with the spool line assembly to allow line to feed out while trimming. This allows continuous trimming without having to stop often and replace broken string lines. With normal use, these covers can break or crack and will require a replacement. To remove the old cover, press in the tabs and the cover should pull right out. It is made out of plastic and it is sold individually.