Get tricky with them. Tie them off on chickenheads, sling trees and chockstones or use them to help reduce rope drag. Minimum strength: 22 kN (4946 lbf). Black Diamond - Nylon Runners Get tricky with them Tie them off on chickenheads sling trees and chockstones or use them to help reduce rope drag Minimum strength 22 kN 4946 lbf