6 New White Rubber Ring Finger Displays For Jewelry Showcases & Countertops. This is a new set of 6 white rubber ring finger displays. These finger shaped forms are a great way to display rings on your counter tops or in a showcase. Each display holds rings size 1 through 12. Measures approximately 2" x 1 5/8" x 2 1/8" (50 x 40 x 53 mm).