Size(diameter of hole/mm*diameter of ring/mm):
Package Included: 200pcs O-ring Washer Sealing Assortment.
Widely used as sealing rings and washer for the connectors in the hydraulic machinery, pipelines and etc.
Can bear the temperature of 120 degrees centigrade, And it is wear-resisting and good at oil-proof.
They are small, delicate, fine, durable and strictly functional.
Package material: re-sealable plastic case.