Introducing Bethlehem Burners first mid-priced bench burner, The Stacks! Designed specifically to fill the gap between the Alpha and Bravo burners, this torch will provide a fantastic array of flame settings and temperatures. The TOP burner, Stacks I, has 6 Jets, and the BOTTOM Burner, Stacks II has 16 Gas Jets and 48 Oxygen Ports. At FULL FLAME the FUEL CONSUMPTION is as follows: Stacks I GAS: 2 lpm (120 lph), Stacks II GAS: 4 lpm (240 lph), Stacks I OXYGEN: 10 lpm (600 lph), Stacks II OXYGEN: 20 lpm (1200 lph). It's a great combination for all that you do! This is a fabulous torch! Get yours today! COMES WITH: Stacks I Top Mounted Burner, Stacks II Bottom Mounted Burner, Stacks Base, 4x Set Screws, Allen Wrench, Cleaning Kit, Instructions, Lifetime Factory Warranty