"SUPPORT HAS TWO HOLES WITH A 0.2504 PORM 0.0004 DIA BEFORE BEING ANODIZED AND A 0.2500 PORM 0.0005 DIA AFTER BEING ANODIZED,AND ALSO TWO HOLES WITH A 0.2570 MIN DIA AND A 0.2610 MAX DIA,IT IS 3.00 IN. THICK AND 3.00 IN WIDE AND 6.00 IN LONG,IT IS MADE FROM STEEL 7075,ACCORDING TO FED SPEC QQ-A-225/9 COND T7351"