Powersports Rubber O-Ring Kit, 270Pc, Metric And Sae, High Temp 700 Deg. F Hnbr, Oil, Gas, Coolant, And Chemical Resistant. Used To Seal Oil Lines, Fuel System Components, & Coolant Passages On Motorcycles, Atv, Utv, Pwc, And Snowmobiles. Contains 18 Popular Sizes Of High Temperature 0-Rings: 20Pcs.-7/32" X 1/16"(5.55MM X 1.58mm) \ 20Pcs.- 1/4" X 1/16" (6.4MM X 1.58mm) \ 20Pcs.- 6.8MM X 1.9MM \ 20Pcs.-5/16" X 1/16"(8MM X 1.58mm) \ 20Pcs.- 7.8MM X 1.9MM \ 20Pcs.- 8MM X 2MM \ 20Pcs.-8.8MM X 1.9MM \ 15Pcs.-7/16" X 1/16" ( 11MM X 1.58mm) \ 15Pcs.- 7/16" X 3/32" (11MM X 2.4mm) \ 15Pcs.-11MM X 2MM \ 15Pcs.-12MM X 2MM \ 10Pcs.-13.9MM X 1.8MM \ 10Pcs.-9/16" X 3/32"(14.28MM X 2.4mm) \ 10Pcs.-14MM X 2MM \ 10Pcs.-15MM X 2MM \ 10Pcs.-17MM X 2MM \ 10Pcs.-11/16" X 1/16"(17.5MM X 1.58mm) \ 10Pcs.-11/16" X 1/8"(17.5MM X 3mm)