DMM HB Alloy Offset Climbing Nut - 9 Colour:Red The flex regulation bars are

The flex regulation bars are made of multi-ply stainless steel and work just like a car’s suspension springs

but hard enough to resist deforming and pulling through

The Edgehog greatly improves rope protection against sharp edges when ropes are fed through gratings

space-saving

DMM HB Alloy Offset Climbing Nut - 9 Colour:Red The flex regulation bars areAlloy Offsets protect irregular and flared cracks that regular nuts cannot. 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.