Indexing plungers short version
Steel version:
Indexing pin hardened:
grade 5.8.
Stainless steel version,
Indexing pin not hardened
Threaded sleeve 1.4305
Indexing pin 1.4305
Mushroom knob red thermoplastic
Steel version:
Indexing pin hardened, ground, black oxidised.
Stainless steel version:
Indexing pin not hardened, ground, bright.