Claimed Weight: (1) 0.5 oz, (2-5) 1 oz, (6-7) 1.5 oz, (8) 1.6 oz, (9-10) 1.9 oz, (11) 2.5 oz * Strength: [ 1] 7 kN, [ 2] 9 kN, [ 3] 11 kN, [ 4] 12 kN, [ 5] 12 kN, [ 6] 12 kN, [ 7] 12 kN, [ 8] 12 kN, [ 9] 12 kN, [ 10] 12 kN, [ 11] 12 kN * Material: [heads] 100% aluminum, [cable] 100% steel * Manufacturer Warranty: 1 year