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3-in-1 Laser. Bosch's new GLM 80 laser features a unique "two-axis tilt sensor" that can determine the height of distant objects and perform straight-line measurements. A 24-inch box-beam attachment (R 60) converts the tool into a digital spirit level. The GLM 80 runs on a lithium ion battery that can power as many as 25,000 measurements. It costs $245 alone and $290 with the box-beam attachment. Bosch, 877/267-2499, boschtools.com