ZFRING-SNAKE: Solid stainless Size 9 ( size is slightly adjustable due to the design) ZFRNG-B: Solid stainless steel size 8 = 2 5/16'' finger circumference ZFRNG-C:Solid stainless steel size 6 = 2 1/16'' finger circumference ZFRNG-CLDH: Stainless Steel Green Cubic Zirconia Gem size 7 ZFRNG-D and ZFRNG-F: Solid stainless steel size 11 = 2 11/16'' finger circumference ZFRNG-D207: Stainless Steel Alloy 304 The center band on this ring has standard D20 set up with opposing numbers on opposites sides adding to 21 ZFRNG-E: Solid stainless steel size 9 = 2 7/16'' finger circumference ZFRNG-G: Solid Sterling silver size is slightly adjustable due to the design ZFRNG-J, ZFRNG-KNOT2 and ZFRNG-TRIQBAND: Solid Stainless steel size 12 ZFRNG-KNOT: Sterling Silver size 8 - ADJUSTABLE ZFRNG-M: Solid Stainless steel size 10 ZFRNG-Q and ZFRNG-R: Solid Stainless Steel size 9 ZFRNG-TRISKELION: Solid Stainless Steel size 10.5