Andoer Guitar Pickup Covers Volume/Tone Control Knobs Switch Tip Chrome-Plated for Fender Stratocaster Strat The guitar parts are made of high quality plastic with chrome-plated treatment. Pickup covers, control knobs and swith tip are suitable for Fender Standard Stratocaster. Fits American & Mexican Standard Specs. 3 pickup covers: 48mm, 50mm, 52mm pole spacing. Switch tip: 4.8mm (fits for CRL & Oak Grigsby), control knobs fit 6mm diameter pots.