Design and Details Two pre-packaged sets: Our best-selling sizes (#1-4 Free Set) or all 6 TCUs Recyclable packaging Includes free Metolius Cam Lube Range: 0.26 - 0.4" / 6.6 - 10.16 mm Strength: 1100 lbf / 5 kN Weight: 0.9 oz / 26 g SPECIFICATIONS for 00 Range: 0.34 - 0.47" / 8.5 - 12 mm Strength: 1100 lbf / 5 kN Weight: 1.4 oz / 41 g SPECIFICATIONS for 0 Range: 0.39 - 0.59" / 10 - 15 mm Strength: 1100 lbf / 5 kN Weight: 1.5 oz / 43 g SPECIFICATIONS for 1 Range: 0.49 - 0.71" / 12.5 - 18 mm Strength: 1800 lbf / 8 kN Weight: 1.8 oz / 50 g SPECIFICATIONS for 2 Range: 0.62 - 0.89" / 15.5 - 22.5 mm Strength: 2250 lbf / 10 kN Weight: 2 oz / 57 g SPECIFICATIONS for 3 Range: 0.74 - 1.04" / 18.5 - 26.5 mm Strength: 2250 lbf / 10 kN Weight: 2.1 oz / 59 g SPECIFICATIONS for 4 Range: 0.93 - 1.32" / 23.5 - 33.5 mm Strength: 2250 lbf / 10 kN Weight: 2.4 oz / 68 g