Orion Motor Tech Hydraulic Pressure Test Kit With 3 Gauges 3500 5500 9000 Psi, 8 All-in-One Pressure Test Kit: Orion Motor Tech's hydraulic pressure test kit comes complete with 3 precision gauges, 8 test couplings, a quick connector, 3 hoses, and a sturdy case, providing everything needed for accurate pressure testing on excavators, compressors, hydraulic presses, pneumatic devices, automotive brake systems, and more Compatible with Major Brands: Equipped with a quick connector and 8 versatile test couplings (G1/8, G1/4, G3/8, M10x1, M10x1.25, M14x1.5, UNF7/16-20, UNF9/16-18), this hydraulic tester kit is compatible with major brands like Caterpillar, Hitachi, Daewoo, Hyundai, Kato, and Kawasaki Accurate Pressure Measurement: Our three precision gauges, ranging from 0 to 3500 psi, 0 to 5500 psi, and 0 to 9000 psi, are filled with glycerin to enhance shock resistance and minimize needle flutter, providing precise measurements and clear, accurate readings with dual scales Flexible Testing in Tight Spaces: These 5.2 ft pressure hoses combine a nylon lining with aramid fiber reinforcement and a polyurethane outer layer, offering both durability and ample length for easy pressure testing even in tight spaces Superior Durability and Safety: Our pressure gauges feature tough stainless steel housing to resist corrosion and impact, along with a handy protective plug that stops oil leaks and automatically pops out to prevent bursting from too much pressure