EGO 15" String Trimmer with POWERLOAD™ technology. 
This patented technology solves one of the biggest pain points of string trimmers—automatically loading your trimmer line. It's as easy as feeding the line into the head and pressing a button to replace your trimmer line. The EGO POWER+ 15" String Trimmer has a carbon fiber shaft that is stronger than any other string trimmer shaft on the market today. The shaft comes with a lifetime warranty, ensuring strength and durability that lasts forever. This revolutionary trimmer is also built with a high-efficiency brushless motor, a bump feed line advance, a professional-grade 0.095-inch cutting line, and is compatible with all EGO ARC Lithium™ batteries to maximize cordless convenience and deliver power beyond belief.
  
POWERLOAD™ Head, load your line, press a button, and go
  
Carbon fiber shaft with lifetime warranty
  
15-inch cutting swath
  
Dual-feed spiral twist 0.095-inch line
  
High-efficiency brushless motor
  
Variable speed control
  
5-year limited warranty