Full Technical Description: Electrolytic Tin Plated Aluminum Alloy Material; 4-1/2 Inch Overall Length; 6 AWG min. Conductor Size; 350 MCM Max. Conductor Size; Aluminum/Copper Conductor Material; UL, CSA Approval; 4 Conductor(S); 9/16 Inch Stud Size; 3-1/4 Inch L X 4-23/32 Inch W X 5/16 Inch Thk Pad Size; 4 Pad Hole(S); Straight Pad Type; Solderless; LA4 Model