Gold Legion Flight Ring Superhero,Upgraded Version size 10 Gold Legion Flight Ring Superhero,Upgraded Version size 10 10 (US & Canada) = T1/2(UK, Ireland & Australia) = 20 (China & Japan) Inside diameter: 0.778 inch or 19.76 mm Inside circumference: 2.44 inch or 62.1 mm colour:as picture handing time:1-3 days shipping time:it usually takes about 15-25 days for standard shipping,expressed shipping takes about 3-7 days.