10 Pcs Copper Tone Washers Seal Rings Holder 20mm Inner Diameter for Car

10 Pcs Copper Tone Washers Seal Rings Holder 20mm Inner Diameter for Car Description: The copper washer is good quality durable and sturdy high voltage resistance. Scope of application: vehicle boat electrical appliances and so on. It is very useful to fix and seal machine parts by these copper rings. Notes: Please allow 0.3-0.5 mm error due to manual measurement. Package Include: 10 x Copper Washers