GemRed 82305 Digital Angle Finder Protractor: available at Amazon Our take: This is a multipurpose tool suitable for woodworking, construction, household renovations and artists.

With this tool, you can proceed with 90-degree cuts without wasting long minutes in setup. Head to Amazon to purchase this Digital Angle Finder at $25.99.

First, you’ll need either a digital angle finder or a simple analog angle finder. The least expensive analog tool we found was at Harbor Freight (PN 34214, $4.95).

The Zigview S2 Digital Angle Finder is a detachable high-rez 2.5-inch viewfinder that clamps onto your digital SLR’s eyepiece, and you can either use it as a waist-level finder or take it off ...

We're testing the free Tremec Driveline Angle Finder app on our 1965 Chevrolet Chevelle, designed to find any annoying vibration in your car.