Black Diamond 18mm sewn nylon runners for traditional protection. Get tricky with them. Tie them off on chickenheads, sling trees and chockstones or use them to help reduce rope drag. Versatile sewn runners for building anchors, slinging natural features and extending placements on wandering routes, Black Diamond Nylon Runners offer durable and classic functionality. Each size is also color-coded for quick and easy identification on your harness.