XINGYHENG 110Pcs 6 Kinds 1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 5/8”, Brown

XINGYHENG 110Pcs 6 Kinds 1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 5/8″, Brown. Super material: It is made of copper. Copper material is selected for high conductivity, anti-corrosion and wear resistance, have a tighter seal and high heat resistance than steel and rubber washers, suitable for all kinds of scenes, produces an anti-oxidation layer on the surface of the material and acts as a non-rusting agent, good tensile strength, durable.

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