HIGH-PRESSURE RATED: All of the adapters provide secure connection and max working pressure is up to 5,000 PSI. EASY TO CONNECT: Electroplating treatment helps smooth operation of the connects. The quick connectors connect the pump, hose and . The other quick connection kits convert 3/4inch threads into quick connectors and connect all 3/4inch garden hoses to the inlet of the pump. QUALITY MATERIAL: Every connector is made of high-quality stainless steel, offering greater resistance to damage compared to brass. It also provides anti-rust and anti- features with high hardness. ATTENTION: M22-14mm female fitting has 14mm inside plug, if pressure washer needs 15mm, it cause leakage. Please verify you have an M22-14mm hose prior to purchasing. WHAT'S INCLUDED: - M22-14mm female + 3/8inch plug (QTY 2) - M22-14mm male + 3/8inch QD (QTY 2) - 1/2inch plug+ 3/4inch male(QTY 2) - 3/4inch female + 1/2inch quick connect (QTY 2) - M22-14mm male + M22-14mm male(QTY 1), Manufacturer: PokFhgur