The item(s) you will receive will depend on the variation you select. See below for what is included with each option. If you are unsure, please message us BEFORE purchase Features: Handling: Most Bethlehem orders currently have a 7-10 day handling period. Two Burners with independent gas controls Each burner comes with its own B-fitting gas and oxygen hose connections Each burner is constructed primarily of Stainless Steel Swivel base Each burner works independently of one another The Bethlehem Burners Stacks Tandem Desktop Glassworking Torch was designed specifically to fill the gap between The Alpha burner and our Bravo Burner. After taking 2 years for research and development, we created the perfect in-between torch for both the beginner and the experienced flame worker! Specifications: Burner configuration: STACKS I (Top Mount) 6 ? gas jets (Sharp Flame Design) Face Dia. ? .375? STACKS II 18 ? gas jets 48 ? oxy ports Face Dia. ? 1? Full flame consumption: STACKS I Propane Gas: 2-5 psi; 3 LPM (180 LPH, 6.36 cu ft/h) Tanked Oxy: 8-20 psi; 10 LPM (600 LPH, 21.19 cu ft/h) STACKS II Propane Gas: 2-5 psi; 3 LPM (180 LPH, 6.36 cu ft/h) Tanked Oxy: 8-20 psi; 30 LPM (1800 LPH, 63.57 cu ft/h) Works: 30mm Boro Rod 38mm Heavy Walled Tube Dimensions: Base: 6?x 6? Height: 6.25? Barrel Length: 7? Net Weight: 3.68 lbs. The STACKS complete Includes: STACKS I ? Top Mount Burner STACKS II ? Bottom Mount Burner Swivel Base 4x Set Screws Allen Wrench Cleaning Kit Instructions STACKS Base Includes: STACKS Base 4x Set Screws Allen Wrench Instructions STACKS I with Base Includes: STACKS I ? Top Mount Burner STACKS Base 4x Set Screws Allen Wrench Instructions (Cleaning Kit Sold Separately) STACKS I (No Base) Includes: STACKS I ? Top Mount Burner Instructions (Cleaning Kit Sold Separately) STACKS II with Base Includes: STACKS II ? Bottom Mount Burner STACKS Base 4x Set Screws Allen Wrench Instructions (Cleaning Kit Sold Separately) STACKS II (No Base) Includes: STACKS II ? Bottom Mount Burner Warranty Card Instructions (Cleaning Kit Sold Separately)