Shape: Cylinder with a dome</br>Material: Gold plated</br>Diameter: 3/4'</br>Hollow shaft Diameter: 3/16'</br>Color: Gold</br></br>Product Description</br></br>Shape:Cylinder with a dome Material:chrome plating Diameter: 3/4' Hollow shaft Diameter: 3/16' Color: Chrome Package Include: 4x Metal guitar knob chrome</br><br/>http://www.amazon.com/gp/product/B00UEH47SK