"ALUMINUM ALLOY QQ-A-250/4 COMP 2024-T3,DIM.,7.000 IN. NOM LG,1.200 IN. NOM W,0.016 IN. NOM THICK,TWO HOLES 0.260 IN. MIN,0.266 IN. MAX DIA DRILLED THRU ON HORIZONTAL CENTERLINE 1.200 IN. FROM EACH END W/4.600 IN. CENTER TO CENTER DISTANCE,ALL CORNERS CHAMFERED 0.250 IN. DEEP BY 45 DEG,MAXSURFACE FINISH,ALL SURFACES 125 MICROINCHES AA"