ZERO Tactix Kernmantle Static Rope 12mm ZT12 For use in industrial abseiling, general industry and rescue lifeline use, work positioning and restraint. 11mm kernmantle is rated to 42kN. Static rope. For pre-cut lengths see below any length up to 1000m available. Priced per metre, please specify the quantity of metres required. Features Core / cover material: Polyamide Length per unit mass: 10.8 m/kg Breaking force: 4,204 kg Knot breaking force: 1,910kg Impact strength index: min 4 Elongation @ 80 kg / 375 kg: 1.5% / 6.5% Elongation @ break: >20% Knot-ability ratio: 0.9 Sheath slippage: 2.0mm Colourfast to water / rubbing / light: 4-5 / 4-5 / 6-7 Additional information not covered by AS 4142: Static strength with figure of 8 knot (15kN / 3 mins): pass (broke at 24.9kN) Core / complete rope ratio: 56.6% Cover / complete rope ratio: 43.4% Static strength with sewn eyes: 34.4kN