Chroma Caps 4 Lime Green Knobs for Roland SP-404, SP404SX, SP404A

Replacement 4 Pack Knurled Knobs For Roland SP-404 *Black*

4 Pc Knurled Encoder Knobs Black 3D Printed for Roland SP404 Akai MPK Mini etc

BIGGER! AKAI MidiMix knobs custom made

MOOG midi knobs custom made

Rane DJ Mixer "4 pack" : Load / Scroll Knobs (Black) : official replacements

Roland 04124267 Synthesizer Replacement Round knob Genuine Products

POTENTIOMETER ROLAND SP-404 SP-404SX MAX / MIN (REAR PANEL)