ith hook is an integral part of the outhaul system for any Laser or ILCA version of the boat and is used to provide attachment of the sail of the outhaul line and purchase. The hook allows easy detachment (of the sail) when launching or recovering the boat. Laser® is a registered trademark owned by Velum Limited and currently licensed for use in Europe to Laser Performance (Europe) Limited. Holt is fully independent of both Laser Performance (Europe) Limited and Velum Limited. Holt replacement parts should not be confused with parts bearing the Laser® registered trademark. ILCA® is a registered trademark owned by Laser Class Association Inc. Holt is fully independent of Laser Class Association Inc. Holt replacement parts should not be confused with parts bearing the ILCA® registered trademark. You cannot use our products if you are sailing at an Association event. However, they are perfect for club sailing, training, recreational sailing and sailing schools. There are significant cost savings when purchasing Holt parts compared to the genuine branded equivalent.