Full Technical Description: Electrolytic Tin Plated Aluminum Alloy Material; 6-3/16 Inch Overall Length; 500 MCM min. Conductor Size; 1000 MCM Max. Conductor Size; Aluminum/Copper Conductor Material; 2 Conductor(S); 9/16 Inch Stud Size; 3-7/16 Inch L X 3-1/2 Inch W X 9/16 Inch Thk Pad Size; 2 Pad Hole(S); Straight Pad Type; Solderless; L2A Model