Have us make up your halyard, sheet or line in SuperSpeed. This line is perfect for the performance orientated cruiser or club racer. It allows a more affordable hi-tec line, which has far less stretch and much greater breaking strength that double braid polyester. 8mm 'Super Braid' manufactured by Southern Ropes is quality double braid with a HMIP core (often know but trade names Spectra or Dyneema) with a polyester cover. Break load 5 280 lbs. The halyard shackle you select spliced on with a messenger eye on the bitter end.