Car Washer Gun is made of engineering plastic, internal structure is brass and stainless steel, which is strong and durable. Note: NOT FIT GARDEN HOSE OR WATER HOSE. Specifications: Interface: 1/4" quick disconnection fitting Requires pressure: 150BAR - 2175PSI Maximum pressure: 300BAR - 4350PSI Requires Flow: 2.0Gpm Maximum flow: 5.3Gpm Material: Plastic, Stainless Steel and Brass Highest Water Temperature: 60℃/140℉ Five pieces pressure washer tips meet your needs in different situations: 0 Degree Red Nozzle Tip:Clean high areas or are as hard to reach such as crevices in sidewalks and driveway. 15 Degrees Yellow Nozzle Tip:Clean brick,concrete and other hard surfaces with stubborn stains. 25 Degrees Green Nozzle Tip:Clean wood,fences,painted surfaces,siding and lawn mowers. 40 Degrees White Nozzle Tip:Clean screens and windows. 65 Degrees Black Soap Nozzle Tip Spray on detergents. NOT FIT GARDEN HOSE OR WATER HOSE. PACKAGE INCLUDED : 1x car wash spray gun, 5 x nozzles and 1x brass coupler (M22 14mm female to M22 15mm male) . PREMINUM QUALITY & SATETY : The pressure washer gun body is made of engineering plastic, internal structure is brass and stainless steel, which is strong and durable,ensures working normally at 4350PSI Maximum. It has a safety trigger lock handle to prevent accidental jets. PRESSURE WASHER HOSE SIZE : Easily connect to 14mm inside diameter high pressure washer hose. Please connect brass coupler between car wash gun and hose if your hose has M22 15mm fitting. NOT FIT GARDEN HOSE OR WATER HOSE. QUICK CONNECTOR : The short pressure gun with 1/4 inch quick connector, easy to connect foam cannon, extension wand or other pressure washer accessories. 5 SPRAY NOZZLES: It includes 0, 15, 25, 40, and 65 degree, meet your need in different situations, such as washing car, window, roofing,floor and so on. IF THE PARTS ARE MISSING,PLEASE CONTACT US DIRECTLY.