* 1. Multifunctional AC Gauge Set, professional automotive air conditioning diagnostic manifold gauge set will compatible with R134A R410A R404A R22 refrigerants, perfect for AC freon charging, evacuation, diagnostic check and recovery work. * 2. Convenient Four Valve Design, include 4 pieces extra long 5FT and high impact hose, colorful design for easy identification, red (blue) hose connect with high (low) pressure quick coupler and compressor high (low) side, yellow hose connect with cans bottle, black hose connect with vacuum pump * 3. Complete Freon Gauge Set, come with every thing you need for a efficiently ac charging work, package include: (1) 4 way diagnostic gauge, (4) 5FT colored hose, (2) adjustable quick coupler, (1) adjustable can tap valve, (1) ACME Adapter, (2) Tank Adapter, (1) valve core remover * 4. Heavy Duty Tool Set, made from durable bass and aluminum for all metal parts, stands up to heavy use and accidental drops, ideal for professional auto mechanics. Fahrenheit degree unit with e...