Folding Angle Plastic Corner Squares Length (Corner Square):15cm x 30cm a 15cm ruler along the

a 15cm ruler along the bottom edge

0-360 degrees clockwise (CW)

which are there to help you read measurements from a distance and recognize major linear graduations in photographs

painted surfaces

Folding Angle Plastic Corner Squares Length (Corner Square):15cm x 30cm a 15cm ruler along theORC Forensics Footprint and Tire Track Frame of References are rulers and corner squares purposely designed to compliment the FBIs Bureau Scales. The original Bureau Scale is a specific corner square based on FBI guidelines and recommendations. These items are used as official equipment for their photographers at crime scenes. But dont worry; we can sell them to you as well. Use the Footprint and Tire Track Frame of References as measurement guides