uxcell Cylinder Shaped Electric Guitar Volume Tone Control Knob Top Hat 2 Pcs Product Name : Volume Control Knob;Color : Silver Tone Material : Stainless Steel;Install Diameter : 6mm / 0.23" Total Size : 18mm x 18mm / 0.7"x 0.7"(Dia * Height) Net Weight : 43g Package Content : 2 x Volume Control Knob