KAISH premium witch hat knobs for Gibson/Epiphone or other guitars with knurled split shaft pots, DO NOT fit any solid shaft pots, please make sure your pots are knurled split shaft but not solid shaft before ordering. 18 spline knobs are designed to fit most Epiphone/Import guitars with metric coarse spline pots(Alpha/Import pots, etc.); 24 spline knobs are designed to fit most USA Gibson guitars with fine spline pots(CTS/DiMarzio, etc.) 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 should require 24 fine spine knobs; if they are 8 on each side, your pots should require 18 coarse spline knobs High quality knobs with faultless finish, not cheap and inferior knobs Package includes set of 4 witch hat knobs (2 Volume and 2 Tone) KAISH 4X Black with Silver Cap LP Guitar Witch Hat Knobs Top Hat Knob for Epi Les Paul SG