Forged Brass Head for Durability 90 Degree Head Cutting Angel Stainless Steel Tubes for Strength and Long Life Stainless Steel Oxygen Lever for durability Brass Coupling Nut and O-Ring Seals gives quick hand tight, and leak free operation Spiral Mixer gives optimum mix of fuel and oxygen Control Valve has Teflon packaging for smooth, gas-tight operations 8" Cutting Range Length 10-5/8" Weight 1 lbs 14 Oz Uses Cutting Tips 173C, 173CN, 173CP, 173CM, 173CG, 173CGN Fits GENTEC® 143T, 143TL, 143TLH Torch Handle Fits VICTOR® 100C Torch Handle Fits UNIWELD® WH350 Torch Handle