•The wire adopts high-quality nylon material, anti-tear and durable to use •Durable and wear-resistant, allowing for being replaced less often •For optimal and precise trimming results •Great for mowing lawns •Convenient to change, easy to install in a few seconds Specification: •Nylon rope: 1.65mm diameter, cross texture spiral, red •Length: 40ft / 12.2m •Product size: 65*30mm Compatible with: •Black & Decker GL315 •Black & Decker GL337 •Black & Decker GL350 •Black & Decker GL650 •Black & Decker GL651 •Black & Decker GL652 •Black & Decker GL653 •Black & Decker GL655 •Black & Decker GL656 •Black & Decker GL660 •Black & Decker GL670 •Black & Decker GL680 •Black & Decker GL687 •Black & Decker GL5530 Package included: •10 x Spool •Other things not included