I am selling these because I bought the wrong size. They are new and unused. They cost 950 yen each at Sound House. I think you can get a good deal. I will ship via Nekopos. Set of 4 CTS CUSTOM A500K pots, perfect for customizing guitars and basses. - Model: CTS CUSTOM A500K - Quantity: Set of 4 - Type: Pot CTS guitar/bass control pots for volume and tone. 500KΩ resistance, ideal for SG, 335, and custom shop Les Pauls equipped with humbucker pickups. The A-curve resistance curve provides a smooth perceived change in sound. Inch-spec, mainly used in USA-made guitars, with a split shaft with a split, serrated tip. Custom version that reduces "sound leakage" at volume 0. ■ Custom Control Pot ■ 500KΩ ■ A-curve ■ Split Shaft ■ Inch Spec ■ Dimensions Knob Mounting Section ・Split Shaft ・Diameter: .236" (approx. 6mm) ・Inch Spec Knurling (Serrated): 24 TEETH Mounting Threaded Section ・Diameter: 3/8-32NEF (approx. 9.53mm) ・Length (Height): .375" (approx. 9.53mm) Body Section ・Diameter: .937" (approx. 23.8mm) ・Thickness: .445" (approx. 11.3mm) ・Maximum Width (including terminals): 1.25" (approx. 31.7mm) Thank you for looking.