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This is awful. This is at best a kids' toy and not a professional tool. I can't believe I spent $5 on it - what a waste of $$.The line is completely inconsistent and even curves downward. There's no way it's level.
I purchased mine for $5 at a clearance bin at one of those big hardware outfitters. It could've been really usefull with a stronger magnet for leveling a row of server cabinets in a computer datacenter and I guess I'll try to retrofit a stronger magnet in it.I haven't given the pinhole mounts a try yet but since you have to make a hole in the drywall, it's probably best suited for shelving a garage or a project basement or toolshed.I couldn't go wrong for the price but if it just had a stronger magnet I would have given it 3 stars. A great price considering it started off at $30.The concept of a magnetic base was great but the magnet is too weak to hold itself up, even on a sheet of iron.
The owner's manual says that the levels are only calibrated to the laser line when held or hung up against a vertical surface. Comes with two different mounting options in addition to the magnetic base.The bad news: 1. Okay, but what if you want to lay tile, place a fencepost, or align cabinets.3. Comes with case.Cons: Not self-leveling. Cannot project line from a horizontal surface.Even on sale for $20, it's hard to justify this product. The bubble levels inside the unit are too small, inaccurate, and not adjustable. Miserable engineering at it's worst.In short, this unit is really only good at projecting a straight line. This is a huge problem and makes the unit difficult to justify.
This effect is disturbing because it's also thicker in the center. Get a plumb bob or a 4' level, set this up and adjust the line it projects to level, then you're set. It really only projects a line.and not even a straight one. The line is inconsistently bright along it's projected path. Must use other tools to adjust.
But, on the other hand, if you have a 4' level and plumb bob, all this unit provides is a simple, straight line, confirming your measurements.Pros: Small, simple, 9V common battery power supply. It's a pretty good system, but other manufacturers have systems that allow vertical surface use without drilling. A straight edge would work as well. So you cannot simply lie it on either side and expect a horizontal line.I'm lost on this one. As an engineer and general fan of Black and Decker's products, I was sadly surprised to find out that this product is neither useful or accurate.The good news: It runs on a 9v battery (cheap and easy to replace). At the edges, the line is so dim that you need enhancement glasses (sort of like safety glasses, but red in color) to see it OR you have to use it in near total darkness.2.
The purpose of this tool is to project a relatively long and straight laser line for alignment, construction, or what have you. When I placed this unit on my tablesaw (which was precisely aligned and leveled) it shows (incorrectly) that the saw is tilted about 2-3 deg. Mounting the laser to the wall requires drilling a hole.
Case not square. YOU have to level that line. It seems about 2 to 3 times brighter in the center than on the far edges.
The base for wall mounting requires a small hole in the wall and as you rotate the base, three prongs expand out, temporarily locking the base to the wall. The bonehead that designed this did NOT for some unknown reason, make the sides square. It'd be a hassle to have to fill and paint the little holes constantly.4.
It is difficult to hang on the wall and cannot be done without putting a small nail hole in a spot where you probably don't want one. "It's my favorite tool" or so I told my kids when they gave it to me for my birthday. In reality, it is a basic laser pointer in a fancy package. Spend the extra money and buy a better mounting, self leveling and more accurate one if you need things to be absolutely perfect. Yes, it produces a straight laser line on the wall or floor, but you need to use a manual level to get it correct.
Save your money. I can eye a better level line than this thing. This is the BIGGEST waste of money there is. It doesn't give you a level line until you use a real level, to level it. This thing makes a better door stop than a laser level. whats the point.
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