1-2-3 Machinist Blocks Set Hardened Steel 1" x 2" x 3" Silver

A set of precision 1-2-3 machinist blocks designed for setup, layout, and inspection work on various machines. The blocks feature hardened steel construction with machined surfaces and precise 90-degree angles for accurate alignment checking and calibration.

• Constructed from hardened steel for durability
• Designed for checking square alignment on tables and band saws
• Useful for calibrating fence cursors with exact width
• Allows checking of parts for squareness before welding or assembly
• Enables inspection of inside angles for 90-degree accuracy
• Features a 23-hole design with threaded and untapped holes
• Static tool with no moving parts

• Material: Hardened steel
• Dimension: approx. 1" × 2" × 3" or 2.5 cm × 5 cm × 7.5 cm
• Height accuracy: 0.0002"
• Parallelism accuracy: 0.0002"
• Hardness: HRC 48–58
• Shape: Square

• Qty: 2 or 4 × 1-2-3 blocks as per your selection