Flexcams feature class leading range and are among the lightest 4-cams available. They use our innovative bi-color system to ease size selection and utilize doubled UltraTape slings so you can clip in at three different lengths. Features Class leading expansion range and price Lightest standard single axle cam Bi-color sizing system Double length extendable slings Specifications #1 Weight: 58 g Range: 11-17 mm Strength: 7 kN #2 Weight: 60 g Range: 15-21 mm Strength: 7 kN #3 Weight: 73 g Range: 19-27 mm Strength: 10 kN #4 Weight: 81 g Range: 24-33 mm Strength: 10 kN #5 Weight: 121 g Range: 27-43 mm Strength: 12 kN #6 Weight: 128 g Range: 34-55 mm Strength: 12 kN #7 Weight: 148 g Range: 44-68 mm Strength: 12 kN #8 Weight: 182 g Range: 53-86 mm Strength: 12 kN #9 Weight: 233 g Range: 63-107 mm Strength: 12 kN