We make metal end cap from1/2" to 80" in carbon steel ,stainless steel.They are with tip top quality and supplying very fast . Material:A234 WPB ,WPHY52,WPHY60,WPHY65,WPHY70 ;WP304 ,304L,316,316LSize range:from1/2"to 80"Wall thickness:from SCH20 to SCH160fast delivery:We have quite a number of stock caps,which is a guarantee for a quick order. 1/2"--80" End Cap for pipes