"MATERIAL0.50 HEX BAR,CU 360; SPECIFICATION ASTM-B-1G; 0.87 IN. LG.,FIRST END 0.50 IN. HEX,CENTER HOLE 0.25X120 DEG.; SECOND END 0.300 IN. DIA.,CENTER HOLE 0.160 IN. DIA. THRU,CENTER SK. 0.25X120 DEG. 0.190-32UNF-2B; SHAFT LENGTH 0.75 IN.; HOLE THRU DIA OF SHAFT 0.50 IN FROM BOTTOM OF HEX HEAD HOLE DIA 0.071"