The Offshore Voyaging Reference Site

Invaluable Measurement Tools

I have a couple of tape measures (one metric, the other imperial) in my tool bag, and even have a really nice digital calliper for when dead-nuts measurement is required, but the two measurement tools in my kit that get the most use are a cheap pocket calliper (top photo) and an even cheaper metal rule (below) .

Both are dual metric and imperial.

I recommend both for every cruiser’s tool bag. Buy two of each…they don’t float.

Lots more on maintaining a cruising boat.

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Drew Frye

Drill gauge. Yes, I can measure the drill, fastener, and rope with calipers, but experience tells me that only a gauge let’s me know how the rope or fastener will actually fit in the hole.

As they say, measure twice, cut once. Measure 4 times if it is important.