Battery Terminal Adapter,Solid Copper Marine Terminal Ends for 3/8 Inch and 5/16 Inch Battery Posts Replacement Plug Accessories

["Package comes with a pair of positive/negative copper marine terminal ends","Made of premium solid copper for maximum electrical performance,bolt-on extra terminals are stainless steel.","This battery terminal adapter set is compatible on lithium and lead acid batteries.","Post size: Two 3/8 studs and one 5/16 stud.","Copper plate is laser carved with positive and negative mark for connection warning."]