Description: The tube is made of aluminum alloy, sturdy and durable to use, better performance. It can easily and quickly remove dirt, grease and oil from engines and machinery. Can adds cleaning solution to high pressure air stream for maximum cleaning power. The gun is about 16 inch long, making access to hard areas much more convenient. The engine cleaning gun also has finger trigger that controls air and solution flow, easy to use. Features: The tube is made of aluminum alloy, sturdy and durable to use, better performance. Easily and quickly removes dirt, grease and oil from engines and machinery. Can adds cleaning solution to high pressure air stream for maximum cleaning power. The gun is about 16 inch long, making access to hard areas much more convenient. The engine cleaning gun also has finger trigger that controls air and solution flow, easy to use. Specification: Material: Aluminum Alloy + Copper + TPR Color: Blue + Silver Spraying Distance: 15 m Total Length: Approx. 40cm / 15.7inch Hole Dia: Approx. 3.7mm / 0.1inch Product Weight: Approx. 361g Package Included: 1 x Engine Cleaning Gun Note: There may be little error in size thanks to manual measurement, please don't mind before you bid.