Description: 1、419pcs Contains The Most Popular Metric ‘O’ Ring Sizes. 2、Ideal For Garages, Plumbers, Mechanics, Hydraulics, Workshops And Diy. 3、 100% Brand New And High Quality 419 Pcs Rubber O Ring Oring Seal Plumbing 4、Includes 32 Different Sizes R-01 To R-32 (3mm To 50mm). 5、Marked With A Code Which Easily Identifies The Size Of The ‘O’ Ring. 6、Garage Set Kit 32 Sizes. Specifications: Size: 3- 50mm Amount: 419pcs Case Material: Plastic Ring Material: Rubber Case Color: Blue Ring Color: Black Includes 32 Popular Metric Sizes: R-01 20pcs-3mmx1.5mm R-02 20pcs-4.4mmx2mm R-03 18pcs-5mmx2mm R-04 23pcs-7mmx1.5mm R-05 23pcs-10mmx1.5mm R-06 23pcs-13mmx1.5mm R-07 14pcs-10mmx2.5mm R-08 13pcs-11mmx2.5mm R-09 14pcs-13mmx2.5mm R-10 13pcs-14mmx2.5mm R-11 14pcs-16mmx2.5mm R-12 14pcs-18mmx2.5mm R-13 13pcs-19mmx2.5mm R-14 14pcs-21mmx2.5mm R-15 13pcs-22mmx2.5mm R-16 10pcs-18mmx3.5mm R-17 10pcs-20mmx3.5mm R-18 10pcs-22mmx3.5mm R-19 10pcs-23.5mmx3.5mm R-20 10pcs-25mmx3.5mm R-21 10pcs-26.5mmx3.5mm R-22 10pcs-28mmx3.5mm R-23 10pcs-30mmx3.5mm R-24 10pcs-31mmx3.5mm R-25 10pcs-33mmx3.5mm R-26 10pcs-34.5mmx3.5mm R-27 10pcs-36mmx3.5mm R-28 10pcs-38mmx3.5mm R-29 10pcs-41mmx3.5mm R-30 10pcs-44mmx3.5mm R-31 10pcs-47mmx3.5mm R-32 10pcs-50mmx3.5mm