Feature:
1. Hardened & ground steel
2. Precision ground angles for setup in tooling, production, and inspection.
3. Four holes 11/32" for easy mounting.
4. Accuracy: ±10 minutes.

Package include:
1 piece of 30-60-right-angle plate,
1 piece of the 45-45-90-degree angle plate.

widely used:
1. Use them as angle blocks for milling
2. Setup the machining angles at 60 deg., 45 deg., or 30 deg
3. Use them to verify right angles.
4. Verify the right angles for milling machines, table saws, grinding machines, etc