Rely on the 123 blocks precision gage set for all your machining needs. Constructed from durable hardened steel, they provide exceptional accuracy for layout and inspection. Ideal for ensuring parts are square, this set offers lasting value without moving parts, keeping your projects efficient.
- Hardened and precisely machined on all sides for reliable accuracy
- 23-hole design with 5 3/8″ 16UNC threaded holes and 18 untapped holes for flexible mounting
- Durable construction with no moving parts—lasts for years with proper care
- Suitable for setup, layout, inspection, and alignment verification tasks
- Essential tool for checking inside angles and verifying square accuracy
- Material: Hardened 45# Steel
- Hardness: HRC 48-58
- Dimension: Approx. 1″ x 2″ x 3″ (L x W x H) / 2.5cm x 5cm x 7.5cm
- Height Accuracy: 0.0002″
- Parallelism Accuracy: 0.0002″
- Shape: Square
- Type: Gage Block
- Colour: Silver
- Qty: 2 or 4 x 1-2-3 Blocks as per your selection









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