Yfixtool Hydraulic Pressure Test Kit For Excavator, With 9 Couplings, 3 Test ?3 Guages?Has 3 x 65" Test Houses and 3 widely used guages for different scenes: 3500PSI(250bar), 6000PSI(400bar), 10000PSI(600bar). ?9 Couplings?Compatible with Caterpillar, Hitachi, Komutsu, Daewoo, Hyundai, Kato, Kawasaki, the kit has 9 different couplings: G1/8?G1/4?G3/8?UNF7/16?UNF9/16?M14*1.5?M10*1?M10*1.25?Quick Connector for Cat/CASE/John Deere. ?High-grade Silicone Oil?Our Excavator Hydraulic Pressure Gauges have built-in high-grade silicone oil, which will not turn yellow, has better shock resistance and higher accuracy. ?High-quality Gauges?Our gauges housing is made of stainless steel and Polycarbonate glass, so they are sturdy, durable, impact resistant, and clear display. ?Warranty?We provide 3-year warranty and 24-hour friendly customer service. Pls feel free to contact us if you have any issue about our product.