Speed Knobs Boston KA-114 Boston KA-114 speed knob (hatbox), for inch type pot shaft, transparent amber View
Speed Knobs Boston KW-114 Boston KW-114 speed knob (hatbox), for inch type pot shaft, transparent white View
Speed Knobs Boston KG-116 Boston KG-116 speed knob (notched edge), for inch type pot shaft, transparent gold View
