419pc O-Rings Kit with Plastic Case. 32 different sizes included metric sizes.

QTY—Width—-Inside Dia.———QTY—Width—–Inside Dia.
20X—1.50mm–3.00mm————13X—2.50mm–11.00mm
23X—1.50mm–7.00mm————14X—2.50mm–13.00mm
23X—1.50mm–10.0mm————13X—2.50mm–14.00mm
23X—1.50mm–13.0mm————14X—2.50mm–16.00mm
20X—2.00mm–4.40mm————14X—2.50mm–18.00mm
18X—2.00mm–5.00mm————13X—2.50mm–19.00mm
14X—2.50mm–10.0mm————14X—2.50mm–21.00mm

13X—2.50mm–22.00mm———-10X—3.50mm–31.00mm
10X—3.50mm–18.00mm———-10X—3.50mm–33.00mm
10X—3.50mm–20.00mm———-10X—3.50mm–34.50mm
10X—3.50mm–22.00mm———-10X—3.50mm–36.00mm
10X—3.50mm–23.50mm———-10X—3.50mm–38.00mm
10X—3.50mm–25.00mm———-10X—3.50mm–41.00mm
10X—3.50mm–26.50mm———-10X—3.50mm–44.00mm
10X—3.50mm–28.00mm———-10X—3.50mm–47.00mm
10X—3.50mm–30.00mm———-10X—3.50mm–50.00mm