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Bosch DWM40LK Miter Finder Digital Protractor/Angle Kit with Extension Leg and Case


Manufacturer: Bosch
ASIN: B000BD7ADQ



List Price : $240.48
Amazon's Price : $130.70
You save : $109.78

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Editor's Review

Amazon.com Review

About the Bosch DWM40LK Miterfinder Digital Protractor Kit
The Miterfinder digital protractor is much more than the name implies. This amazingly versatile product provides four tools in one. It's an angle finder, a compound cut calculator, a protractor, and a level in one convenient package.
    Angle finder: The angle finder function determines the exact angles of a job site or workpiece, eliminating all the guesswork.

    Compound cut calculator: The compound cut calculator automatically determines the exact miter and bevel settings necessary to make each crown molding cut fit precisely.

    Protractor: The protractor precisely positions the workpiece or the intended cut line at the angle you require.

    Level: The built-in vertical and horizontal spirit levels are accurate to 0, +/- 0.05 degrees.

In addition to these helpful functions, the DWM40LK lets you freeze measurements, and it has a digital readout that displays readings on the front and the back, so it's easy to use in any position. Ruggedly constructed and built to last, this digital protractor will become your go-to accessory for every project around the workshop or at the job site. This kit includes a hard, thermoformed foam carrying case and a leg extension.

Applications
Use the DWM40LK to calculate the exact miter and bevel angles for crown molding cuts, measure trim cuts for remodeling, check and transfer angles, accurately install cabinets and counters, measure roof angles, fit up windows or doors, align wood forms for concrete pouring, fit carpeting and parquet or tile floors, align and check banisters and rails, and much, much more.

Key Technical Specs

  • Vial accuracy: +/- .05 degrees
  • Electronic accuracy: +/- .1 degrees
  • Readout accuracy: +/- .1 degrees
  • Measuring range: 0 - 220 degrees
  • Battery lasts up to 100 hours
  • Leg extension is 16 inches long

Warranty
The DWM40LK Miterfinder is covered by a 1-year unconditional Bosch warranty.

What's in the box:
Bosch Miterfinder digital protractor, padded nylon case, and 16-inch leg extension.


Features :

  • Versatile measuring tool, 4 tools in one

  • Anglefinder  Determines the exact angles of jobsite or workpiece, eliminating guesswork

  • Compound Cut Calculator determines exact miter/bevel settings to make each crown molding cut fit precisely.

  • Protractor precisely positions the workpiece or intended cut line

  • Level Built-in vertical and horizontal spirit levels, accurate to 0 +/- 0.05°


Customer Reviews

Summary : Proof is in the picture
Review : I have been looking for a tool like this for a while and when I saw it I had to have it. The first thing I did was to prove that my dining room is not square. Crown molding is a challenge when everything is square; when it is not it gets expensive to get it right. It will come in very handy for me and for some of my neighbors when I show it off.
Summary : Great miter finder/protactor
Review : This is a well made instrument by Bosch that does exactly what is was designed to do. It seems to be extremely accurate. I like the fact that it has a built-in calculator that makes finding miters much easier. Now that I have it I am finding all kinds of uses for it. I've used it to check the angles and levels on my miter saw, table saw, and belt sander.
Summary : Great tool, but it may not last!
Review : I bought this tool about 1.5 years ago and I've loved using it until today. I tried to turn it on to complete a job I am running behind on and nothing. I put in a set of new batteries and..... nothing. I called the Bosch service center and basicially there are four parts available for this level, none of which are electronic. If you have an electronic problem the tool is a throw away after the one year warranty.

Before you guys think I abused it, I can assure you I did not. It stays in a padded case that I use for my Stabila levels and has never even been dropped or submerged or anything else you might be thinking. It just quit.

Since I had nothing to lose and I needed it yesterday, I tore it apart. Most of the electronic construction is micro chip except for 3 capacitors. I desoldered and tested them and found one bad one (4.7mf @ 63V). After a trip to the electonic supply I had the level up and running as good as new.

I came to realize how much I rely on this tool and how much of a problem it can be if it fails. I am now looking for a quality machinist protractor like a Starrett C359 (see the UPDATE below) or equivalent on ebay so I can be assured that my job will continue if this one goes out again.

In a world of electronics it might sometimes be better to just keep things simple, mechanical, and RELIABLE. Even though it was fixed for very little money it did eat up half a day which cost me far more than this level did.

Just something to consider as you make your buying decision.

UPDATE 7/28/2008: I just found the simple reliable quality alternative in the Starrett CP505A-12. They sell it on Amazon for $85; so you'll save some money over the electronic version and it will work anytime, anywhere, without batteries.

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