ORIGINAL Vintage 1963 USA KAY Vanguard Guitar KNOB...PLASTIC Construction,  4 Spoke, Push On Fit , No setscrew, fits 1/4" Splined  shaft SILVER FINISH with Slight GOLD TINT. Normal Vintage wear with patina,  RARE ORIGINAL 1963 era USA PART. Shipped with USPS First Class. THANKS for looking!