An essential hardware kit for professionals and homeowners alike Pliable, flexible rubber rings seal contact and connection points like mini-gaskets O-rings in 32 most-used SAE sizes for plumbing, automotive, general repair (see description) Complete with secure-fit latched storage case, keeps each size separate and easy to identify O-RING SIZE QTY 3 x 1.5mm 20 4.4 x 2mm 20 5 x 2mm 18 7 x 1.5mm 23 10 x 1.5mm 23 13 x 1.5mm 23 10 x 2.5mm 14 11 x 2.5mm 13 13 x 2.5mm 14 14 x 2.5mm 13 16 x 2.5mm 14 18 x 2.5mm 14 19 x 2.5mm 13 21 x 2.5mm 14 22 x 2.5mm 13 18 x 3.5mm 10 20 x 3.5mm 10 22 x 3.5mm 10 23.5 x 3.5mm 10 25 x 3.5mm 10 26.5 x 3.5mm 10 28 x 3.5mm 10 30 x 3.5mm 10 31 x 3.5mm 10 33 x 3.5mm 10 34.5 x 3.5mm 10 36 x 3.5mm 10 38 x 3.5mm 10 41 x 3.5mm 10 44 x 3.5mm 10 47 x 3.5mm 10 < --------------------------------------------------------------------------------