Precision Metric 2-3-4 Block Set

Precision Metric 2-3-4 Block Set of two (50 × 75 × 100mm)
Designed for precision, strength, and versatility, these hardened and precision-ground 2-3-4 blocks are an essential setup tool for machining and inspection work. Supplied as a matching pair and manufactured to a tight ±0.008mm tolerance, they deliver consistent, repeatable accuracy on every face.

Featuring 5 M16 × 2.0mm tapped holes and 18 clearance holes, the blocks can be securely bolted together or to fixtures, making them ideal for milling, drilling, grinding, and alignment tasks. The set is supplied in a neat, durable plastic storage case, keeping the blocks protected, organised, and ready for use in the workshop.