Gold plated heavy duty single banana plug. Designed to be easily installed on cable up to 6 ga. The SB requires only 1/4" of cable to be stripped. Simply insert the stripped end through the large hole and tighten the thumbscrew. The SB may be stacked for bi-wire use. The SB can also be used as a 1/4" spade to Banana adapter. Priced per 1 pair.