The e2992 Hi-Vis Rafter Square is a next-generation product that’s colored in a bright blue hue so it’s easy to find on the jobsite. The anodized aluminum product is also easy to read, since it is designed with deep-stamped measurements and conversion tables that resist fading. And it comes with a thicker edge to create a safer saw guide. Cost: $9.99 to $12.99.Empire Level. 800-558-0722. www.empirelevel.com.