Knobs only fit guitars or basses with USA 24 fine splines split shaft pots, they DO NOT fit metric 18 coarse splines split shaft pots with 5.8mm diameter. In order to get correct knobs for your pots, please remove the current knobs from your guitar, count the splines on your pots, if they are 10 on each side, your pots will need 24 fine spines knobs; if they are 8 one each side, your pots will need 18 Coarse splines knobs; Please see our photos for reference Push on fit knobs Well made quality guitar knobs, not cheap or inferior knobs in the market Please be sure to verify the splines on your pots before ordering USA/Imperial Spec LP Guitar Speed Dial Knobs 24 Fine Spline Control Knobs for Gibson Les Pauls or CTS Pots