This Horotec case cushion, designed for professional watchmakers, features a satin finished anodized aluminum ring with a leather surface in a variety of colors to combine style and functionality. This is a great addition to any watchmakers bench and can be used for opening watch banks and doing watch and pocket watch movement work. This convenient case cushion also helps to protect crystals and prevent scratching when you are snapping case backs on or off, removing case back screws, or a number of other services. The case cushion is wrapped with a metal ring to help it keep its shape.