About This SIZE - 1/4"×1/8", 3/8"×1/8", 3/8"×1/4", 1/2"×1/4", 1/2"×3/8", 3/4"×1/2"(NPT Thread Adapter)Hex Bushing Kit. Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter. MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility. Use - Used to connect female and male threaded pipes or fittings of different diameters. It is a fitting specially used in pipeline connection engineering. It is suitable for most gases, water, oil and corrosive liquids. WORKING PRESSURE & TEMPERATURE - 1200PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C) NOTICE - NPT is a tapered pipe thread with a 60° taper and generally cannot be screwed to the end, these brass fittings are low in lead but not suitable for drinking water. Overview Material : Brass Brand : ChillWaves Color : Brass Connector Type : Bushing Exterior Finish : Brass Thread Type : NPT Item Weight : 0.26 Kilograms Number of Pieces : 12 Manufacturer : ChillWaves