HFS(R) 419 pcs Universal O Ring Assortment Set Metric Kit Automotive Seal Rubber Gasket

[MATERIAL]: Made of industrial grade nitrile rubber (NBR). [SIZE]: Includes 32 common standard sizes from 3 mm I.D. to 50 mm I.D. [SPECIAL STORAGE BOX]: Equipped with heavy storage box, the O-rings of different sizes can be separated and placed 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]: Piping, mechanical, hydraulic and pneumatic maintenance., Weight: 1.322773572 Pounds, Manufacturer: HFS