Bell Hat Knobs Qty 4 Amber - Tinted plastic with painted numbers 1 - 10 Fits US fine spline(knurling) controls.  20 splines (10 on each side of the split) on the control.  Please check your control shaft before ordering. The center section of these knobs is recessed when compared to the outer skirt(see 3rd picture). These knobs will sit close to the guitar body.

The center section of these knobs is recessed when compared to the outer skirt(see 3rd picture). These knobs will sit close to the guitar body.