HFS -R- Universal O-Ring Assortment 407-Piece Set SAE

[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.