Product details of ACEWELD NM-200 Lighy Duty Hand Cutting Torch Dieforged brass head for maximum durability. Stainless steel tubes with strength and rigidity Oxygen and acetylene adjusting knobs with easily recognized colors on one side and the button of the torch body for overall control. Capacity: Cutting up to 200mm (7.9") Suitable for both acetylene and propane service Nozzle mix principle for maximum safety. Hose connection BSP 3/8'', and other thread sizes available. Unique cutting oxygen flow valve creates a progressive piercing and the smoothest cutting conditions. Stainless steel lever for fast operation. Dieforged brass head for added strength and durability. Product details of ACEWELD NM-250 Heavy Duty Hand Cutting Torch Cutting capacity up to 250mm (10″). Suitable for both Acetylene and Propane service. Stainless steel lever with hold-down button Triangular design tubes consist of a preheating gas tube and high pressure cutting oxygen tube. Capacity: cutting from 1/8″ (3.2mm) to 8″ (203.2mm). Die-Forged brass head for maximum durability. Stainless Steel Tubes for greater strength & durability. Hose connection BSP 3/8″, and other thread sizes available.