STM 3pc Engineer’s Precision Square Set, 231050
- Blade Length (Inch): 2, 4″, 6″
- Number of Pieces: 3
- Hardened spring steel blades are permanently fixed to the stock by means of tapered self-locking rivets which ensure complete rigidity. Both the blade and stock are precisely ground to ensure straightness and parallelism.
- Internal and external squareness as per BS 939 Grade B
Technical specs
- Material: Hardened Spring Steel
- Model Number: SS/A/2-4-6





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