Ikiwa eneo lako halijaorodheshwa, tafadhali chagua moja ya yafuatayo:
Vishay Sfernice
KNOB KNURLED W/SKIRT 0.236. Resistor Hardware COMMAND KNOB
Kilo International
KNOB KNURLED W/SKRT 0.125 METAL.
KNOB KNURLED W/SKRT 0.250 METAL.
KNOB SMOOTH 0.250 METAL.
Keystone Electronics
KNOB KNURLED 0.250 PLAST.