These are metric size knobs for SG,Epiphone Les Pauls or most guitars made in Asian countries which have 5.8mm diameter pots, they DO NOT fit most USA Gibson Les Pauls which use larger diameter pots, such as CTS Pots Black with Chrome Aluminum Cap High quality knobs with faultless finish, not cheap and inferior knobs in the market; Please be sure to verify the pots diameter of your guitar before you order the item Please contact us when you have problem with the item before leaving feedback, we will try our best to serve you as soon as we receive your message Package includes: Set of 4 Guitar Top Hat Reflector Knobs