Lug, Copper, Two Hole, Long Barrel w/ Window, Tin Plated, Bus Bar Pattern N, 500 kcmil Copper Conductor Size, Brown P87, 2-9/16in Wire Strip LG, 1/2in Stud Hole, 1.75in Stud Hole Spacing, 6.12 LG x 1.54 WD x 2.50 BH in