This powerful Laser vang offers a 15:1 mechanical advantage for a big improvement in efficiency and smooth sail control for sailors of any size.This Harken Laser XD Vang Upgrade Kit includes everything you need for a complete vang assembly for any of the three Laser rigs, Standard, Radial or 4.7. Total weight is 12.3oz, the same as the Holt Allen Laser Vang. The cascade line is 3/32" Dyneema and the cleated line is 5/32" Dinghy Control.What's in the KitHarken base unitHarken top blockHarken double block with becketDyneema primary lineDyneema cored control lineTubing to create handleClevis pinElastic top block retainer