"CAGE 3.500 O/A LENGTH; PIN 0.500 INCHES LENGTH EACH END; PIN MATERIAL ALLOY TOOL STEEL QQ-T-570 CLASS OPTIONAL, HARDEN TO ROCKWELL C62-C65; CHROME FLASH FINISH 0.0002/0.0003 INCH. THICKNESS PER QQ-C-320 CLASS 2; HANDLE MADE OF ALUMINUM ALLOY NO. 2W PER COMMERICAL STD CS8; PIN GO DIAMETER"