Practical Uses for 1-2-3 Machinist Blocks at Home

Utilize these versatile 1-2-3 machinist blocks in various practical applications at home. Perfect for checking square alignment on your table saw or calibrating fence cursors, these blocks provide reliable solutions for your setup and inspection needs.

• Perfect for checking square alignment on table and band saw
• Use to calibrate fence cursors with precise width
• Check if parts are square before welding or assembly
• Inspect inside angles for 90-degree accuracy
• Offset table or mill from vice for through-machining
• 23-hole design with 5 3/8″ 16UNC threaded holes and 18 untapped holes
• No moving parts—durable long-term tool

• Material: Hardened 45# steel
• Dimension: approx. 1″ × 2″ × 3″ (L × W × H) or 2.5 cm × 5 cm × 7.5 cm
• Height accuracy: 0.0002″
• Parallelism accuracy: 0.0002″
• Hardness: HRC 48–58
• Shape: Square
• Colour: Silver

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