Dayton Audio - DMPC-7.5 7.5uF 250V Polypropylene Capacitor。2pcs 4.7uF 250V Metallized Polyester Film Capacitor 5% Audio。Shop ClarityCap Capacitor 0.1uF 800Vdc PUR-ST Series MR-Wound。Dayton Audio DMPC-27 27uF 250V Polypropylene Capacitor: Audio。This is a Helix capacitor.I've decided to sell it as I won't be building a new audio system.I estimate it was used for about 3 months.I barely drove the car with the audio system installed.It comes with a holder, but screws are not included.Thank you for your consideration