Spar Gauge (8 Sided)

Trying to make a perfectly round mast? With this spar gauge you can turn any square stock into an 8-sided beam.

Because it is 3D printed, the dimensions are much more accurate than DIY spar gauges. This helps you plane more accurately, which helps you achieve a cleaner and more accurate end product.

It can also be used as a center finder, thanks to the center hole. The holes fit regular pencils and the pencils are secured with small knobs on the side.