DMM Halfnut Silver 3. If they look familiar its because they have the same tapered faces and side profile as DMMs tried and tested Wallnuts. The reduced width makes them ideal for shallow cracks pin scars and situations where every gram counts. The combined weight of the 1-11 Halfnut sets are 42percent lighter than the equivalent Wallnuts and they are similarly colour coded. Specifications for DMM Halfnut: Manufacturer: DMM Fabric/Material: Alloy Quantity: 1 Features of DMM Halfnut Shape provides additional protection options and the reduced width aids stability in shallow placements. Sizes 14 are made of a harder alloy to prevent shearing and size 511 are made of a softer alloy to improve bite. Size 7 features scooped faces to save weight. Single cable sizes 1-7 reduces weight. Hollow extrusion and dual thinner cable on the 8-11 to save weight. The combined weight of the 1-11 Halfnut sets are 42percent lighter than the equivalent Wallnuts and they are similarly colour coded. Same taper angles and side profile as DMMs tried and tested Wallnuts. Colour matched shrink tube for easy identification. Package Contents: DMM Halfnut DMM A1673A: Halfnut Silver