4x Push-on Volume / Tone Control Knob for Electric Guitar and Bass, Golden-Clear
Features:
Suitable For Bass and Electric Guitar
Push-on Style 
Fits Split Shaft Pots
Smooth Outer Surface 
Plastic Construction, Golden & Clear
Flat Top
Specifications:
Dimensions: 12mm(H) * 23~26mm (Top ~ Bottom)  (0.47" * 0.91" ~ 1.02")
Inner Mounting Hole: 7mm (0.28")