M1277-3005-SS-20,METRIC HEX STANDOFFPASSIVATE4.5M
M1277-3005-SS-4,METRIC HEX STANDOFFCHROME OVER N
M1278-2545-AL,METRIC HEX STANDOFFPLAIN ALUMINU
M1278-2545-B,METRIC HEX STANDOFFPLAIN BRASS4.
M1278-2545-S,METRIC HEX STANDOFFPLAIN STEEL4.
M1278-2545-SS,METRIC HEX STANDOFFPLAIN STAINLE
M1278-2545-SS-20,METRIC HEX STANDOFFPASSIVATE4.5M
M1278-3005-AL,METRIC HEX STANDOFFPLAIN ALUMINU