Quickly find the sling angle you need for your lift with the Empire® Level Magnetic POLYCAST® Protractor. This tool features an adjustable angle pointer that lets you use it for multiple job site tasks and get the quick angle measurements you need for safeer, more accurate working load limit calculations. The dial of the Empire Level magnetic Polycast protractor is easy to read and works quickly; the pendulum only rocks back and forth for a second before quickly finding the correct angle. For durability, the tool features Polycast construction, which helps it resist breaking under normal use. This Empire Level adjustable Polycast protractor has a magnetic base and back, which lets you attach it to metal objects for hands-free angle readings. It's lightweight and easily portable as well thanks to it Polycast construction. Made in USA!