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A| Style | Model | Grade | Thickness | Weight | Price | |
|---|---|---|---|---|---|---|
| A | 81969 | AA Laboratory | 75mm | 18 Lbs. | £1,734.31 | |
| A | 81964 | AA Laboratory | 100mm | 60 Lbs. | £3,571.94 | |
| A | 81961 | AA Laboratory | 75mm | 23 Lbs. | £2,505.64 | |
| A | 81970 | A Inspection | 75mm | 18 Lbs. | £1,476.90 | |
| A | 81965 | A Inspection | 100mm | 60 Lbs. | £2,727.13 |
Granite tri squares from Starrett offer an economical way to check X, Y and Z axis alignments on CNCs and CMMs for precision layout, inspection and tooling setup. These Grade AA Laboratory and A inspection tri-squares are suitable for quality control. They are available in thickness ranging from 75 to 150 mm. Raptor Supplies offers a wide range of Starrett granite squares, also used for direct checking of squareness and straightness.