Musiclily Metric Size Plastic Top Hat style 2 Volume and 2 Tone Speed Control Knobs Set for Gibson Les Paul Electric Guitar Replacement, Black Metric Size, ideal for Asia made(China, Korea, Japan) 6mm diameter shaft import pots.Not for inch size pots like Fender, CTS, Dimazio pots. Alu surface top, plastic body with number. Bottom of knob: approx. 25.6mm in diameter ; Color: Black Metric Size is popular in guitars bass made outside the USA/Mexico. Packge include: 4 pcs knobs( 2 Volume +2 Tone)