Klein Tools 935DAF Digital Angle Finder with Miter Saw Calculator
Product description
The 935DAF measures inside and outside angles, lengths, and miter saw angles in one compact tool, helping you move from checking a corner to setting up a cut with fewer separate steps.
Its machined ruler edges provide measurements with stated accuracy of ±0.2 degrees. A bright white LED display makes readings easy to see while you work.

The compact design is easy to store in a toolbox or carry in a pocket. It runs on one AAA battery, making it a practical addition to a mobile tool kit.
What stands out



This digital angle finder combines three useful functions: measuring inside angles, measuring outside angles, and measuring lengths. It also calculates the miter saw blade angle for miter joints, so you can use the measured angle to guide your saw setup. For example, when fitting trim around a corner, take the angle reading and use the miter calculation to determine the blade angle.
Machined ruler edges support measurements with ±0.2-degree accuracy. The deeply etched markings are designed to remain clear, while the rust-resistant metallic ruler provides a durable measuring surface. A white LED display helps keep the reading visible as you work.

What matters most
The key difference from a basic protractor is that the 935DAF pairs angle and length measurement with miter saw angle calculation. That makes it useful when a job involves both measuring a corner and translating that reading into a saw setting. Its compact form also makes it easier to keep close at hand than a larger, dedicated measuring setup.



The wide locking knob secures the rulers in position, helping hold the angle while you take a reading. The tool is powered by one AAA battery, and the product information lists a battery as included.
Buyers commonly praise the display’s readability, ease of use, and measurement accuracy. Some also mention using it for blade checks and measuring angles on stairs. Opinions about value are mixed, so the most relevant consideration is whether its combined measuring and miter-calculation functions fit your regular work.

Who it’s for
This tool suits trim and woodworking tasks where accurate corner measurements need to inform a miter saw setup. It can also be useful for checking inside or outside angles and measuring lengths during layout work. If you prefer a single compact tool for these related steps rather than a basic protractor limited to angle readings, the 935DAF brings those functions together in a portable format.



Before you decide
What can the 935DAF measure? It measures inside and outside angles and lengths, and it calculates miter saw blade angles for miter joints.
How precise are its angle measurements? The stated measurement accuracy is ±0.2 degrees.
What battery does it use? It operates on one AAA battery, the product information lists the battery as included.
Buying verdict
Choose the Klein Tools 935DAF when you want a pocketable digital angle finder that does more than report an angle. Its ruler measurements, clear LED display, locking knob, and miter saw calculation support practical measuring and cut-setup work in one tool.
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