GENERAL CHARACTERISTICS ITEM DESCRIPTION | TOOL IS MANFACTURED FROM STEEL 4130 OR 8630,SPEC ASTM A322 OR ASTM A331; HEAT TREAT,ROCKWELL HARDNESS C28 MIN. TO C32 MAX.; PROTECTIVE FINISH PHOSPHATE COATING TYPE M OR Z,CLASS 2 PERSPEC DOD-P-16232; MARKING APPLIED PER MIL-STD-130,19207-12305074,NUMERALS 0.812 IN. HEIGHT; OVERALL DIMENSIONS ATEXTREMITIES 4.500 IN. HEIGHT BY 5.750 IN. WIDTH BY 1.000 IN. NOMINAL THICKNESS; TOOL HAS THREADED HOLE 1.250 IN. DIA. THROUGH CENTER,12 UNF THREAD CLASS 2B |