Double-Duty Angle-Finder. General’s Digital Sliding T-Bevel can be used to replicate an angle or determine its exact measurement. The tool features an 8-inch stainless steel blade and an ABS handle. Electronic highlights include a large LCD display, push-buttons that reveal complementary angle settings, and an auto-shutoff option. It runs on one 3-volt lithium battery (included) and costs about $35. General Tools & Instruments, 800/697-8665. generaltools.com