170PCS VALUE PACK: 25pcs straight union connectors; 12pcs 90° elbow connectors; 12pcs union tee;12pcs Y splitter connectors;9pcs straight male connectors; 9pcs 90° male elbow;32pcs tubing cap;56pcs fittings plug;3pcs 4M Teflon tape. There are four sizes(1/2", 3/8", 1/4", 1/8") and enough types of air hose fittings to meet your various needs. They are placed in a transparent portable box, and each size of air hose fittings is sorted separately, making it easy to transport and distinguish
PREMIUM MATERIAL: The air hose fittings are made of nickel-plated brass and high-quality polybutylene terephthalate (PBT).Acid-resistance, corrosion resistance, high tensile strength, aging resistance, and fire prevention. They have stainless steel lock claws and high-quality steel washers, which can withstand up to a thousand bounces and resist strong pressure without tripping out. Great for long-term use
PRESSURE RANGE: Air line fittings working pressure from air vacuum to 145 psi, 0- 0.9MPa.Temperature Range: 0°F to +60°F（32°C to +140°C）,Proof pressure: 1.32Mpa. Note: see the tubing manufacturer’s recommendations for pressure and temperature limitations
EASY TO INSTALL: Push-to-connect air fittings assortment is a simple push-in design and easy to install. Release rings at the top could be easily pushed down when inserting the tube into the coupler and bounced up immediately when removing the tube. A cutting tool is included for meeting your tube length requirements
WIDE APPLICATION: Push-to-connect fittings suit PU / PA / PE / PVC tubes or hoses. They are widely used in automotive, manufacturing production lines, or for repairs to trucks or trailers. Besides those, industrial workshops, air brake connections, towing machine hose connections and air brake connections, and lawn mower repair