Type A - With knob, blackened, without scale.
Type AS - With knob, matt chrome plated, with standard scale 0 - 50, 60 graduations.
Type B - With one tension lever.
Type C - With two tension levers.
GN200 Indexing mechanism.
These indexing mechanisms, GN 200, replace and simplify complicated indexing and safety mechanisms.
They can be supplied blank or with standard scale.
Steel ST - blackened.
Type AS - Control knob matt chrome plated, scale engraved with laser precision, black, reference line on location ring.
Keyway P9 DIN 6885/1 for bore K 10, Keyway P9 DIN 6885/2 for bores > K 10
EN539 Fixed cylindrical handles (Plastic PA, Technopolymer black, shiny finish).