The Camp USA Ball Nut is an essential tool for novice and expert??climbers alike. The narrow depth fits shallower cracks than traditional camming units, and the efficient design makes this product??the smallest active protection in the world. Color coded for fast identification. Weight: 72g / 2.5oz. Minimum Range (mm): 10.5. Maximum Range (mm): 18. Strength (kN): 8. 8005436008783 20089600012 103405