Compatible with Gibson Les Paul Standard, 16 groove, coarse (18 tooth spline) shafts on Bourns pots, Ibanez AM93, Yamaha EG112C2, PRS Cherry SE Santana, Epiphone Les Paul, Epiphone Sheraton, Ibanez RG series guitars. The top half of the knob is transparent, middle is gold, and the bottom is black with white numbers, offering a stylish look for mixing, matching, or replacing parts. These black and gold knobs provide a classic, nostalgic appearance. Made of high-quality acrylic plastic material for durability and long-lasting use. Knobs are well-made, smooth, symmetrical, with clear numbering. Easy to install: slightly spread the post with a flathead screwdriver for a secure and level fit. Ideal replacement for electric guitar knobs. Note: Fits very tightly on CTS pots; carefully adjust split shafts and avoid forcing. Height: 12.1 mm (0.48 in); Top diameter: 23.1 mm (0.91 in); Base diameter: 25.2 mm (1 in); Inner diameter: 6.0 mm (0.24 in). Color: Black with metal accent. Material: Acrylic. Package includes: 4 x Knob caps. Product contents limited to items listed. Lighting and display differences may cause slight color variations between image and actual item. Measurement error allowance: +/- 1-3 cm.