Gauge Blocks Precision Measuring 1 x 2 x 3 inches 23 Holes Steel Hardened Two Pack

The 1-2-3 Blocks Set is ideal for machinists, woodworkers, and metalworkers who require precise calibration and measurement tools.

• Each block measures approximately 3 by 2 by 1 inches.
• Features 5 threaded 3/8-16 UNC cross-drilled holes for versatile applications.
• Calibrates equipment, spaces workpieces, and collects exact measurements.
• Matched pair of blocks ground to tolerances of .0001 inches.
• Squareness of all sides is within .0002 per inch for high precision.
• High hardness ensures durability and resistance to deformation and wear.
• Easy to use for set-up, layout, and inspection jobs.

• Size: Approximately 3 x 2 x 1 inches.
• Tolerances: .0001 inches.
• Material: Steel-hardened precision.

• Two 1-2-3 blocks included in the set.