https://www.markertek.com/product/w16ga/whirlwind-w16ga-bulk-speaker-cable-16-gauge-per-foot
Whirlwind W16GA Bulk Speaker Cable 16 Gauge - Per Foot
Whirlwind W12GA is a heavy duty, flexible speaker cable. The 12/4 is SJO type, and the 16/2 and 13/8 are Whirlwind-designed, small diameter cables.
bulk speaker cablewhirlwindgaugeperfoot