Precision-ground hardened carbon tool steel squares for accurate machine setup and part inspection. Includes 2″, 4″, and 6″ sizes—perfect for checking parts large or small.
Features
- Ground & lapped for straightness and parallelism
- True inside & outside 90° angles
- DIN-875-1 accuracy standard
- Accuracy: ±0.1°
- Comes in a protective hard case with foam lining








