CYGNUS 15 MM / ½” TEST BLOCK
This round test block is ideal for using to check your gauge is reading correctly before each use. A steel block is supplied in every gauge kit.
They are available in 3 different materials:
Steel Metric 15mm P/N 001-4850
Steel Imperial ½” P/N 001-4851
Stainless Steel Metric 15mm P/N 001-4854
Aluminium Metric 15mm P/N 001-4857