Crowne Tools CaliBro Square The Calibro Speed Square from Crowne Tools is a heavy‑duty, precision layout tool built for fast, accurate angle and marker reference on the jobsite. Its versatile design combines angle finding, marking, and squaring functions in one dependable tool, ideal for professionals and DIYers alike. Features High‑impact ABS construction for strength and long‑lasting use Clear, easy‑to‑read angle and layout markings speed up jobsite measurements Combines multiple functions in one: square, protractor, and guide Designed for framing, roofing, tile layout, and general carpentry Lightweight and easy to handle on-site Ideal For: Contractors, carpenters, remodelers, and tile installers who need a durable, multi‑function speed square for quick and accurate measurements and layouts.