Klusonandreg; "Witch Hat" Metric KnobKlusonandreg; recreates the "Witch Hat" knob with Volume or Tone labeled silver cap and I.D. knurled with 18 splines. These are molded black plastic with silver numbers to match the center cap.[SKU: KNWHSSAWTV]Material type= Antique White PVCLettering= Antique White on Silver CapNumbering = SilverO.D. of knob base= 1 9/64 in. (28.9mm)O.D. of center cap= 29/64 in. (11.6mm)Height of knob= 39/64 in. (15.9mm)