Chroma Caps are very easy to install and require no expertise or hardware. To remove your old knobs use a small plastic object to lever them off without bending the shaft. Avoid metal objects since they might damage the finish on your device.
People commonly use Chroma Caps as: DJ knobs, Mixer knobs, on DJ mixers, as replacement knobs, as Pioneer knobs, as EQ knobs, and as Potentiometer knobs. Chroma Caps are great DJ accessories for pretty much any gear.