FEATURES of the Metolius Ultralight Curve Nut By attaching the cable directly to the nut and eliminating the swage we have made these 30% lighter than the competition Anodized heads and collars are color-coded to match our cam colors Combines the stability of 3-point contact with the ease of a straight-sided taper CNC technology for optimized shape Side-to-side curve for greater stability in flaring placements Straight-sided taper makes it easy to judge placement quality 7075-T6 aluminum (sizes #1-5) 6061-T6 aluminum (sizes #6-10) CE/UIAA certified Hand built, inspected and individually tested to 1/2 its rated strength in Bend, Oregon The SPECS for 1 Range: 0.36 - 0.52" / 9.1 - 13.2 mm Strength: 7 kN / 1575 lbf Weight: 0.7 oz / 19 g The SPECS for 2 Range: 0.40 - 0.54" / 10.2 - 13.7 mm Strength: 7 kN / 1575 lbf Weight: 0.7 oz / 19 g The SPECS for 3 Range: 0.45 - 0.56" / 11.4 - 14.2 mm Strength: 7 kN / 1575 lbf Weight: 0.7 oz / 19 g The SPECS for 4 Range: 0.50 - 0.63" / 12.7 - 16.0 mm Strength: 7 kN / 1575 lbf Weight: 0.8 oz / 22 g The SPECS for 5 Range: 0.56 - 0.70" / 14.2 - 17.8 mm Strength: 7 kN / 1575 lbf Weight: 0.8 oz / 22 g The SPECS for 6 Range: 0.63 - 0.78" / 16.0 - 19.8 mm Strength: 10 kN / 2250 lbf Weight: 1.2 oz / 34 g The SPECS for 7 Range: 0.70 - 0.88" / 17.8 - 22.4 mm Strength: 10 kN / 2250 lbf Weight: 1.3 oz / 36 g The SPECS for 8 Range: 0.79 - 0.98" / 20.1 - 24.9 mm Strength: 10 kN / 2250 lbf Weight: 1.5 oz / 42 g The SPECS for 9 Range: 0.88 - 1.10" / 22.4 - 27.9 mm Strength: 10 kN / 2250 lbf Weight: 1.6 oz / 45 g The SPECS for 10 Range: 0.98 - 1.20" / 24.9 - 30.5 mm Strength: 10 kN / 2250 lbf Weight: 1.9 oz / 53 g ALL CLIMBING SALES ARE FINAL.