ALPS AUB Aluminum Butt Feature:
The “KX” at the item name, it means “KNURLED HEX NUT”. ex:AUB2C”X”
If want to order traditional kurling nut, item name w/o “X”. ex:AUB2C
COLOR: S-Silver, B-Black, B/G- Black & Gold, B/PG- Black & Pale Gold, CB-Cobalt Blue, S/GR-Silver & Green
S/R-Silver& Red, S/CB-Silver & Cobalt Blue