"7ALUMINUM 6061-T6; 10.250 IN. HIGH,4.250 IN. WIDE 86.590 IN. LG; 4 MTG TABS 0.260 IN. DIA HOLE WITH 0.320 IN. SLOT TO HOLES; 12 MTG HOLES ON SIDE,8 END HOLES 5.628 IN. CENTER TO CENTER 1.063 IN. DIA,4 HOLES 0.531 IN. DIA,13.000 IN. CENTER TO CENTER"