Okones 10Pcs,20mm Inner Dia,Solid Brass O Rings for Webbing Strapping Flat Cords Belting Leathercraft BRA0022 (INSIDES 4/5'') Inner Dia.:20mm;Outer Dia.:24mm,Wire Dia:4mm These are casted,no seams in the middle.100% Solid Brass strong and clean, Perfect for handbags, belts, ornamental designs, saddlery, baby slings, shop and farm, crafts, many other uses. Package:each size 10 piece