SPI 30-139-0 Angle Block Set

Features:

• 3" long and 1/4" thick.
• Angular accuracy within 0.0001" per inch (± 30 arc seconds).

Includes:

• 1/4°, 1/2°, 1°, 2°, 3°, 4°, 5°, 10°, 15°, 20°, 25° and 30°.
• Plastic case.