Bosch GAM220MF Digital Angle Measurer and Mitre Finder

Bosch GAM220MFSome tools have that "ah-hah" element built in. No, we don't mean anything to do withAlan Partridge. But rather that moment where you see a tool in action and you mutter, "Ah-hah!".

We'll, the Bosch GAM220MF is one such tool. We knew that as soon as we'duploaded the video of it being demonstrated at the Bosch training HQ it would be a hit. We knew you guys would just get it.

Bosch don't reveal much about their tools via the product numbers they give them. So, for those who don't know, the GAM 220 MF is a digital angle measurer and mitre finder.

How useful could this be for you on the job site? Where do we get the idea that it's an "ah hah" product?

Watch our video for some clues.

Right off the bat the biggest advantage on the job site when using the GAM220 MF is saving time, particularly taking all of the arithmetic out of calculating angles.

Admittedly tools like this would once have been the staple of the guys and gals in the roofing industry, but, truth be told, there are more and more uses for it on your job site, particularly if you're in carpentry, masonry or general construction.

So, for example, calculating the angle for a skirting board in an internal corner where the walls are less than even, the GAM 220MF will work it out for you.

Place the GAM220MF into the corner, extend the arms as far as they'll go, hold down the big red button and the device will display the angle you need to set your mitre saw to.

How simple is that? No more head scratching while you clutch a pencil and piece of paper, trying to do the head maths as you figure out the correct angle to cut.

Bosch GAM220MFWhat if, though, your cut is a bit more complicated than that, for example if you're working on coving or cornicing?

Well, this is within the capabilities of the Bosch GAM 220 MF. In fact, it's been designed for such challenges, handling internal and external corners, even when you're working with the device above head height.

Not only will it display the angle to mitre, but also the degree to bevel. Within a few seconds your saw will be set up for the cut, no messing around. And the cut will be absolutely perfect for the corner.

When we spoke to Bosch's Carl during our recent trip to their UK HQ, he told us that tradespeople he'd sold the GAM220MF to had gone on to tell him that the device had paid for itself in a few short months, thanks to the amount of time being saved on jobs.

Bosch GAM220MFAnd that's what, in our opinion, makes a tool ubiquitous: if it saves you time, it saves you money. And if it saves you money, you probably need to have it in your kit.

Here's the spec:

Measurement range: 0 - 220 (angles)

Measurement accuracy, angles: 0.1

Measurement accuracy, vials: 0.05

Accuracy of angle calculation: 0.1

Power supply: 4 x 1.5 V LR6 (AA)

Automatic deactivation, approx. 3 mins

Arm length 40 cm

The above mentioned arm is extendable and detachable, and the whole thing comes in a protective carry case.

We'd love to know what you think of the Bosch GAM220MF or if you have any questions about it and the applications it's ideal for.

Let us know in the comments or on Facebook.

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