Feature:* Excellent easy to read: magnetic angle locator, high visibility high impact bronze body, transparent acrylic lens with easy-to-read 0-90 degree increments in 4 squares, grooved V edge to accommodate pipes and wires, extra ceramic magnet strong and durable, convenient metric ruler on 1 edge and English ruler on the other.* Excellent tool to find any angle: The magnetic angle locator is designed for plumbing, electrical that require strong, magnetic with pipes, wires, or other iron surfaces for accurate angle identification.* It is very easy to use. Just place it on any sloping surface and it will indicate an angle from 180 degrees.* Strong and Durable: Made of new special acrylic materials and new ABS material, makes it seismic, resistant to ultraviolet rays, prevents leakage. Specifications:* Material: ABS, Acrylic * Measuring Range: 130-0-130 (50-90-0-90-50) 1 minute to 8 minutes (0.5 scale), 10%, 12%, 15% 18%, 20%* Accuracy: 1* Size: 95x95x30mm* Weight: 108gPackage Included:1 x Slope ProtractorNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.