C.A.M.P. Ball Nut - #2. CAMP Ball nuts protect fissures as small as 3mm while maintaining a breaking strength of 8 kN. Specifications for C.A.M.P. Ball Nuts: Manufacturer: C.A.M.P. Weight: 0.1 lb Climbing Hardware Type: Camming Devices Features of C.A.M.P. Ball Nuts: The smallest active protection in the world Great for rock climbing and aid climbing Color-coded for fast identification Narrow depth fits shalllower cracks than traditional camming units Package Contents: C.A.M.P. Ball Nuts C.A.M.P. Ball Nut - #2