uxcell 30 Pcs 2.5mm x 6.5mm x 2mm Rubber O Rings for Wacky Worm Fishing Product Name : Fishing O Ring;Material : Rubber Color : Black;Outside Diameter : 6.5mm/0.256" Inside Diameter : 2.5mm/0.098";Thickness : 2mm/0.079" Net Weight : 3g Package Content : 30 x Fishing O Rings