This kit is good if you own a Classi PEQ PCB and do not want to search all caps together. It consists of all caps, all resistors, pcb-connectors, wires (to switches) for the Classi PEQ Filter board excepting the PEQ Inductor which is available optionally as EF-Core or RM-Core Version. 
If you like to configurate your PEQ components go to the 
PEQ Equalizer configuratior here: 
https://www.don-audio.com/Classi-PEQ-Filter-PCB-Passive-Equalizer