Simply hook the gauge on your shroud and pull the lanyard until the pointer reaches its mark. Read the number on the scale, then use the table decal attached to determine the load on your shroud in pounds of tension.

How much load is my forestay under? Is my rig balanced port to starboard? It is very easy to determine with this simple tool.

Catalina 22 sailors will also benefit from the information found in our "Video Projects Volume II, Focus On Rigging" which includes a step by step tuning guide.