These are brand new Glow Plug Copper Washers. 

YOU GET  10 copper gaskets made in the U.S.A. from the best quality copper.

This is the original equipment used on all or the standard 1/4x32 thread K&B & FOX Glow Plugs.

This item is NEW in pack made by MECOA K&B, never mounted or used in any way. Shipped First Class mail in business size envelope.