Square, twisted design creates razor sharp edges that cut 41% faster and last 33% longer; it's our fastest cutting trimmer line. The unique square-twisted design also delivers better cutting efficiency, less fuel consumption and overall noise reduction. Its twisted cross section ensures longer line life, reduced trimmer vibrations and ultimately less engine drag.
Developed for the professional working in residential and commercial environments, Black Diamond line offers a clean, even cut with superior cutting performance every time.