Feel and see the difference with the next "Evolution in trimmer line" — .  Our fastest cutting trimmer line to date, Black Diamond® delivers optimal cutting efficiency, optimzed fuel consumption and noise reduction all due to our square-twisted design.

ECHO Black Diamond® offers ultra-fast cutting for professionals and homeowners. The twisted, diamond-shaped line offers razor sharp edges and delivers a clean, even cut with superior cutting performance every time.

Intended for medium to industrial landscaping use in residential and commercial environments, Black Diamond® delivers the flexibility for both, with a wide range of applications. Available in .095" – .105" diameters. Black Diamond® is manufactured with a high grade nylon to provide exceptional durabilty, while its twisted cross section ensures longer line life, reduced trimmer vibrations and ultimately less engine drag. 
 

• Ideal for homeowners and professionals
• Unique diamond-shaped, twisted line delivers ultra-fast cutting
• Professional grade line for residential and commercial use
• Durable, long-lasting with reduced trimmer vibrations
• Designed for one-pass cutting, to maximize efficiency
• Best suited for medium to heavy-duty use or rugged use
• Twisted design provides razor sharp cutting edges for a clean, even cut