ILCA Vang Pack.This Laser/ ILCA vang kit includes everything youÕll need to upgrade your existing vang system.When fully rigged it offers a 15:1 purchase system. ILCA class legal. Included in the pack are: (click on the following links to find out more about the individual products)A5861 Ð Lower vang unit. A2023 Ð 20mm Dynamic double becket block. A2030PF-873 Ð 30mm plain bearing fork block with vang key.SA.873 Ð Heavy-duty vang key. Control line Ð 4500mm. Primary Dyneema Ð 1400mm.Watch the video below for a complete rigging guide. Please note - Since the video was made, the top vang block has been updated to the A2030PF-873. The hole through the middle of the sheave is used as the tying-off point.