Gage Block 1-2-3 Blocks Precision Tool for Setup Layout Inspection Silver 1 x 2 x 3 Inch

The 1-2-3 Blocks Precision Gage Set is designed for machinists, metalworkers, and workshop professionals who require accurate setup, layout, and inspection tools. Ideal for use with milling machines, drill presses, grinders, CNC machines, and band saws, these blocks help verify 90-degree angles, check square alignment, and calibrate equipment effectively.

• Hardened and machined on all sides for enhanced accuracy
• Features a 23-hole design with 5 3/8" 16UNC threaded holes and 18 untapped holes for versatile mounting options
• Constructed with no moving parts for durability
• Perfect for setup, layout, inspection, and alignment verification tasks
• Allows for checking inside angles and square accuracy

• Material: Hardened 45# Steel
• Hardness: HRC 48-58
• Dimension: Approx. 1" x 2" x 3" (L x W x H)
• Height Accuracy: 0.0002"
• Parallelism Accuracy: 0.0002"
• Shape: Square
• Type: Gage Block

• Qty: 2 or 4 x 1-2-3 Blocks as per your selection