Check the listing for details. Master Surface Master Cup. Color: Black, Condition: New. Listed at 62.68 USD. Master Surface Master Cup Upgrade your bowling game with the Master Surface Master Cup, a robust solution for effective ball surface maintenance. Key Features: Heavy duty ABS plastic cup Molded 3/8" metal shaft Removable soft touch rubber knob Versatile velcro for 6" sanding pad attachment Bonnet attachment for ball polishing Can be used by hand or attached to a hand drill Take control of your ball's performance with the Master Surface Master Cup. Crafted with precision, this heavy-duty ABS plastic cup features a molded 3/8" metal shaft and a removable soft touch rubber knob, ensuring durability and comfort during use. The velcro design allows for easy attachment of a 6" sanding pad of your choice, providing flexibility in surface customization. Additionally, the cup accommodates a Bonnet for efficient ball polishing, giving you the edge on the bowling lane. Whether you prefer the precision of hand use or the convenience of a hand drill, the Master Surface Master Cup adapts to your preferences, making it a versatile tool for bowlers of all skill levels. Upgrade your bowling arsenal today with the Master Surface Master Cup and experience the difference in ball performance like never before.