Set2: 12 x Pot knobs (knob only, no pool.) + 10 x JackCard number support: single cartridge. Operating frequency: low frequency. Size: 6.35mmVintage and classic style. Plastic control knob to be folded into the potentiometer for easier rotation. If your knobs are dirty, dirty and old, or you just want to make a piece of clothing for your guitar... This will work great. Fits D-type shaft pots on most bass guitars. Color: Black/Orange Material: Plastic For all guitars, basses. Interface Type: AC/DCCoppression: Bottom knob diameter: 17mm; Knob top diameter: 15mm; Height: 15mm. Style: 0 degree guitar knob. Package Contents: 12 x Pot Knobs (Knob only, no Pot). 10 x Jack Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.