BLACK ANODIZED ALUMINUM 5/8" LEFT HAND THREAD (3/4" WRENCH SIZE) JAM NUT
5/8" RH STEEL JAM NUT- 3/4" HEX
3/8" RH ALUMINUM JAM NUT
1/2" RH STEEL JAM NUT
3/16" (10-32) LH STEEL JAM NUT
5/8" LH STEEL JAM NUT