Item name: Herbert Arnold 40mm Zenit (Single) Item ID: [vb1-00865] Item Description: J HOWARD STYLE! Single Hole Center Fire Version!!! Noiseless Surface-Mix Herbert Arnold for propane and oxygen, with special flame stabilizing system that allows the burner to operate with a surplus of air - therefore - with a cooler flame. Burner is mounted on a solid cast iron foot with Ball Joint. Advantages: Noiseless working method. Large field of application. Stable tight-knit flame. From a sharp & concentrated pin-point flame to intensive flames. Easily adjustable by single twist grip. Burner control via ball valves, maintenance free and durable. High efficiency through intensive gas combustion. Long lasting by using high-quality materials and components. Burner head is solid, made from no scaling stainless steel. Connection Glass with Thread. Technical Data: Head Diameter: 40mm Works Borosilicate Glass of a Tubing Diameter: Up to Approximately 80mm Gland Diameter - Gas for Hose of Size: 9mm Oxygen for Hose of size: 6mm Connection Thread Gas: G 3/8"LH How It's Sold: Each torch is sold individually. Item Reference Materials: To view more literature on Herbert Arnold bench burners click here Related Products Herbert Arnold 50mm Zenit L Marver Herbert Arnold 100mm Zenit L Marver Griffin Marver for 40mm Zenit Blast Shield Marver for 40mm Zenit