DMM HB Alloy Offset Turquoise 11. Every size of Alloy Offset has a robust 12kN strength rating. The wires they are mounted on are set into a recess to reduce wear while larger sizes have holes that reduce weight. Use in conjunction with Wallnuts for comprehensive all season crack protection. Features of DMM HB Alloy Offset Asymmetrical taper gives stable placements in offset cracks Allows placement in two orientations for increased versatility Grooved faces improve security in irregular rock Colour coded for easy size identification Passive protection works in wet and icy conditions Package Contents: DMM HB Alloy Offset DMM A1821AA: HB Alloy Offset Turquoise 11