Description Perfect Play Rubber Ring 1″ – Various Colors Next generation rubber rings made from PerfectPlay’s™ uniquely formulated silicone. They provide a classic rubber *feel* while adding vivid colors to your machine. Choose color from drop-down menu. Reference numbers: Bally – R-521-1 Williams – 23-6302, 23-6694-6 Gottlieb – A-10219 E DE/Sega/Stern – 545-5348-55, 545-5348-05 Classic Stern – 7A-120-100
