The Holsteins are popular because of the sheer volume of milk that they produce, and the Jerseys produce milk with the highest fat content. This high-fat content makes it perfect for cheese, heavy cream, and butter-making. The more butterfat milk contains, the more butter it will make.
 
Two-part butter dish; bell and plate.  The plate has a small catch to prevent slippage.
 
Wheel thrown separately but as one piece, the butter dish measures 4.25"tall x 6.75"wide.