Trango Ball Nuts No. 2 Trango Climbing, Mountaineering Retail Price: ¥5,500 Unused, but with minor scratches from carrying. Please check the images. Size-adjustable nuts that fit narrow cracks from 4.8mm to 9.0mm. The simple structure makes them lightweight, and they are protection gear that is useful for alpine climbing and canyoning. Specifications Weight: 39g Color: - Strength: 8kN Range: 4.8 - 9.0mm