The EGO 16” POWERLOAD™ Replacement Head for String Trimmer Attachment is designed for exclusive use with the POWER+ Carbon Fiber 16” String Trimmer Attachment (STA1600), part of the POWER+ Multi-Head System. This EGO trimmer head replacement features 2-in-1 line loading with POWERLOAD™ for quick and easy line replacement at the push of a button when the string trimmer attachment is paired with the PH1420 Power Head. The trimmer line reloads with Rapid Reload functionality when the attachment is paired with the PH1400 Power Head. The string trimmer head features dual eyelets and accepts up to 16.4 feet of 0.095-inch trimmer line. This weed eater head features bump-fed line advance; simply bump the head on the ground while working to advance fresh trimmer line. Genuine EGO parts like this replacement string trimmer head ensure compatibility, quality, and performance.