1/2" RH STEEL JAM NUT
5/8" LH STEEL JAM NUT- 3/4" HEX ALLOWS USE OF 3/4" WRENCH TO ADJUST
3/16" (10-32) RH STEEL JAM NUT
3/16" (10-32) RH ALUMINUM JAM NUT
3/8" LH STEEL JAM NUT
3/16" (10-32) LH STEEL JAM NUT