Collet knobs, no grub screws or push on with these babies
Flip off the top cap, unscrew the central bolt and the knob releases from the shaft
All metal grip mechanism (brass)
Smoky Grey⁄Black colour body - white recessed pointer line
Suits 2mm shaft
20mm diameter knob
Tested as described in the description
This item is not returnable, UNLESS not as described
