High quality Left Handed (Lefty) Amber Recessed Bell Knobs compatible with USA Les Paul, SG and other guitars (Set of 4). Fits 24 fine-spline (imperial) split shaft pots, CTS pots, etc. *These will not fit most Epiphone guitars which require a metric knob for 18 coarse-spline pots. Features: High quality Amber recessed bell knobs. Package of 4 knobs. Recessed modern style knobs sit closer to the body and fits 24 fine-spline USA (Imperial) split-shaft pots. Width: 1 1/32 in. (26 mm) Height: 1/2 in. (13 mm) 6mm shaft diameter These will not fit most Epiphone guitars which require a metric knob for 18 coarse-spline pots. Brand new - Vintage Forge Factory Fresh Packaging