[MATERIAL]: Made of industrial grade nitrile rubber (NBR)
[SIZE]: Includes 32 common standard sizes from 1/8? I.D. x 1/4? O.D. to 2? I.D. x 2-1/4? O.D?See picture for detailed size.
[SPECIAL STORAGE BOX]: Equipped with heavy storage box, the O-rings of different sizes can be separated and discharged orderly
[HIGH PERFORMANCE]: Industrial grade NBR has excellent oil and UV resistance, and its super flexible structure and ultra thick wall design make it durable.
[APPLICATION]: Provide seal and leak proof for wide applications such as piping, mechanical, hydraulic and pneumatic maintenance.