An inexpensive yet accurate method of checking cable tension. Ideal for determining loads on sailboat rigging, guy wires, fences, or any application where cable or wires are installed under load. Manufactured of rugged anodized aluminum, this gauge is corrosive resistant and will give years of service. Detailed operating instructions are included with each tension gauge. Higher accuracy and easier to use than standard models. The cable can be adjusted while the gauge remains on the cable. "Just watch the pointer move." Cable sizes:1/4�, 9/32", 5/16", and 3/8"