Precision Gage Blocks Machinist Tool Square Setup Inspection Hardened Steel 1 Inch x 2 Inch x 3 Inch Silver

The 1-2-3 Blocks Precision Gage Set is expertly crafted for machinists and metalworkers, designed for precise setup, layout, and inspection tasks. 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 with ease.

• 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 reliability
• Perfect for setup, layout, inspection, and alignment verification
• Designed for checking inside angles and ensuring 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