The angle plates are made of Metal with precision ground angles.
The set includes two pieces with 45/45/90 & 30/60/90 angles. The 45 degree angle plate size is 2 x 3-3/8 x 5/16”
The plates have four holes of 11/32inch for easy mounting and are 1/4" thick.
The angle plates have precision grounding angles for easy installation in tools, production and inspection.
The angle plates are used for calibrating and measuring the exact angle with high accuracy.