Premium O-Ring Pack,Thickness 0.5Mm, Total 39 Sizes & 144Pcs/Pack
11.0, 13.0, 14.0, 15.0, 16.0,16.5, 17.0, 17.5, 18.0, 19.0,19.5, 20.0, 20.5, 21.0, 21.5,21.7, 22.0, 22.5, 23.0, 23.5,24.0, 24.5, 25.0, 25.5, 26.0 26.5, 27.0, 27.5, 28.0, 28.5,29.0, 29.5, 30.0, 30.2, 30.5,31.0, 31.5, 32.0, 33.0
Refill : Wr-O-1100X1200X50 / Int X Ext X Thick