COMPLETE GAUGE SET: This professional automotive AC tool kit from Orion Motor Tech includes a 3-way gauge, 3 color-coded hoses, 2 1/4'' quick couplers, a 1/4'' to 1/2'' Acme adapter, and a puncture-style can tap; enjoy hassle-free setup and easy operation as you nip your HVAC problems in the budHYBRID ANTISHOCK GAUGES: The 2.6" high and low pressure gauges combine the best features of dry and liquid-filled designs, with an oil-filled core resisting wear and shock and a dry dial providing better winter performance; the moisture indicator monitors your coolant’s condition in real time; and calibration screws and superior design provide ±1.6% accuracyCOLOR-CODED HOSES: Blue for low, red for high, and yellow for charging, these durable PVC hoses have 4 reinforced layers to work with daily pressure up to 600 psi (burst pressure: 3000 psi); built-in barriers ensure the purity of your refrigerant by condensation and other moisture as you workWIDE APPLICATION: This car AC gauge set works with R134a, R12, R22, and R502 refrigerants; ideal for both DIY and professional HVAC maintenance, it allows you to measure your system's pressure, evacuate and refill coolant, and moreSATISFACTION GUARANTEED: Order this AC manifold gauge kit with your peace of mind assured thanks to OMT’s strong 1-year warranty and usual friendly 24/7 customer service; order at no risk and start enjoying better air conditioning today! Product Description The Straightforward Solution Auto technicians and DIY mechanics everywhere are choosing to start their motor maintenance stories with Orion Motor Tech. We provide top quality products and excellent service to help amateur mechanics and motor experts alike keep their engines running longer and stronger. We believe you don’t need more cars in your life: You need to get more life out of your car. That’s the Orion Motor Tech way. 3-Way R134a Manifold Gauge Set Works with R134a, R12, R22, & R502 Complete Gauge Set: 3 hoses and an adapter allow immediate use of your manifold gauge out of the box Helpful Accessories: High and low pressure quick couplers and a piercing can tap come included to get right to work charging your systems Easy Operation: Intuitive design and clear instructions guide quick and hassle-free setup and operation Reinforced Hybrid Gauge: The easy-to-read gauge combines the best features of dry and liquid-filled designs to offer durable cold and shock-resistant service 4-Layer Design: Our careful and user friendly design makes sure that moisture won't disturb your refrigerant during use R134A service port¼″ Male Durable BrassLeakfree Operation ¼″ Male½″ Female Refrigerant Type R410A, R134A, R22 R134A, R12, R22, R502 R134A, R12, R22, R502 R134A, R12, R22, R502 R134A, R12, R22, R502 R134A, R12, R22, R502 Low Pressure Gauge -15 to 550 psi -15 to 350 psi -15 to 350 psi -15 to 250 psi -15 to 350 psi -15 to 350 psi High Pressure Gauge 0 to 750 psi 0 to 500 psi 0 to 500 psi 0 to 500 psi 0 to 500 psi 0 to 500 psi Hoses Quantity 4 3 3 3 3 3 Hoses Working Pressure 800 psi (55 bar) 600 psi (41 bar) 600 psi (41 bar) 600 psi (41 bar) 600 psi (41 bar) 600 psi (41 bar) Hoses Burst Pressure 4000 psi (276 bar) 3000 psi (207 bar) 3000 psi (207 bar) 3000 psi (207 bar) 3000 psi (207 bar) 3000 psi (207 bar) Can Tap Piercing Can Tap Piercing Can Tap Piercing Can Tap Piercing Can Tap Self-Sealing & Piercing Can Taps Piercing Can Tap Quick Coupler Adjustable R134a Quick Couplers R134a Quick Couplers Adjustable R134a Quick Couplers R134a Quick Couplers Adjustable R134a Quick Couplers Adjustable R134a Quick Couplers Accessary 2 Angled R410a Adapter (1/4″ Male to 5/16″ Female) 1 Straight R410a Adapter (1/4″ Male to 5/16″ Female) 1 Tank Adapter (1/4″ Female to 5/16″ Male) 1 SAE Adapter (1/4″ Male to 1/2″ Female) 1 Valve Core Wrench SAE Adapter (¼″ Male to ½″ Female) SAE Adapter (¼″ Male to ½″ Female) SAE Adapter (¼″ Male to ½″ Female) SAE Adapter (¼″ Male to ½″ Female) SAE Adapter (¼″ Male to ½″ Female) Blow-Molded Case