Indexing plungers stainless steel without collar
Indexing pin hardened:
Threaded sleeve 1.4305.
Indexing pin 1.4034.
Indexing pin not hardened:
Threaded sleeve 1.4305.
Indexing pin 1.4305.
Mushroom knob 1.4305, electrolytic-polish.
Version:
Bright.
Indexing pin ground.