B4BK: 11” tabletop/ post-top/ windproof fire bowl equipped with our lifetime warranted 4″ tall vertical torch burner with 5 gas openings around top perimeter. Inlet is 1/2” male thread and comes with (2) of our custom threaded washers to tightly grasp any object or surface; this kit includes an 11″ stainless mixing bowl (as a fire bowl) and a 5″ cutlery caddy as a diffuser. Our most versatile burner kit but with a set of “get started” bowls! Ideal for tabletop fire pots and torches. Bowls not warranted. The higher you turn it up, the more “billowing” the flames. Great for creating a custom gas fire feature from scratch! Burners and Rings: all of our burners work with Propane Gas AND Natural Gas and are made of the highest quality 316 marine grade non-magnetic stainless steel. This is the same stainless steel you see on cruise ships, not lessor ss304 "tool or grill grade" stainless that 90 percent of the other companies produce. Our easy to work with gas fire pit burners and parts allow anyone to make a personal, artsy, and yard or table enhancing fire feature; one that can be altered and customized, re-used from home to home, or brought from party to party. Our complete gas kits are made of straight forward parts; easy enough for most amateurs to use, and yet a dream for any DIY (Do It Yourself) or professional fire feature builder.