DMM Wallnut set 1-11A versatile tapered nut featuring grooved faces and a curved profile for stable placements in irregular rock, serving as the fundamental backbone of any good trad rack. Despite their simple appearance, Wallnuts are highly featured pieces of climbing hardware. Different alloy is used for each size smaller Wallnuts are made from a harder alloy to prevent shearing, while larger sizes are softer so they can bite into placements. Larger Wallnuts feature