Description: 1.This hex nipple fitting for connecting two threaded pipes with same diameters, and it has a hexagonal head for an increased bearing surface when adjusting the fitting with a wrench. 2.This fitting is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. 3.Brass can be connected to copper, brass, plastic, aluminum, and welded steel. 4.The operating temperatures for this fitting range from -10 to 100 degrees C 5.Can be used to connect various pipes, such as air pipe, fuel pipe, water pipe, etc. Specification: Product Name: water meter coupling Material: Brass Size: G1/2 Male x G3/4 Female(DN15) G3/4 Male x G1 Female(DN20) G1Male x G1-1/2 Female (DN25) Color: Gold Tone Weight: 170g/270g/470g Package Content : 2pcs x Pipe Fitting Note: Before ordering, please confirm the right size! Thanks