Curve Hex - One year after its debut, we can say that the Curve Hex 2000 has far exceeded our wildest expectations! Unlike many shoppers, climbers quickly recognize what does and doesn"t work and they recognized that the Curve Hex is a highly versatile piece of pro at a darn good price. Offering four different options per piece with a range that is comparable to a camming device of similar size, the CH-2000 should be the foundation of any climber"s rack. Size 1 Range: 0.42-0.61" Strength: 1350 lbf/6 kN Weight: 0.8 oz. Size 2 Range: 0.46-0.67" Strength: 1350 lbf/6 kN Weight: 0.9 oz. Size 3 Range: 0.55-0.79" Strength: 2250 lbf/10 kN Weight: 1.4 oz. Size 4 Range: 0.65-0.90" Strength: 2250 lbf/10 kN Weight: 1.6 oz. Size 5 Range: 0.85-1.10" Strength: 2250 lbf/10 kN Weight: 1.8 oz. Size 6 Range: 1.05-1.30" Strength: 2250 lbf/10 kN Weight: 2.1 oz. Size 7 Range: 1.25-1.66" Strength: 2250 lbf/10 kN Weight: 2.7 oz. Size 8 Range: 1.57-2.02" Strength: 2250 lbf/10 kN Weight: 3.7 oz. Size 9 Range: 1.93-2.60" Strength: 2250 lbf/10 kN Weight: 5.0 oz. Size 10 Range: 2.12-2.92" Strength: 2250 lbf/10 kN Weight: 6.2 oz.