Specification:
    Size of 4 pairs of stepped adapters：35, 40, 45 mm (1.38'', 1.57'', 1.77''); 50, 55, 60 mm (1.97'', 2.17'', 2.36''); 65, 70, 75 mm (2.56'', 2.76'', 2.95''); 80, 85, 90 mm (3.15'', 3.35'', 3.54'')
    The pressure gauge measures in the range of 0-6 bar（0-86 psi）
    Standard gas inlet types：US/EU/JP STANDARD AIR INLETS

Package included:1 set *Turbo System Leakage Tester Set

Applicaition:

      The pressure leak tester helps you charge the turbo system with low pressure from the main air supply, inspecting and locating leaks in various vehicle turbo systems.4 pairs of stepped adapters: Each adapter features 3 carefully designed steps to ensure secure fitting onto hoses of different sizes. 
      The outer diameter of each pair is as follows: 1-3/8", 1-9/16", 1-3/4"; 1-31/32", 2-1/8", 2-3/8"; 2-1/2", 2-3/4", 3"; and 3-1/8", 3-3/8", 3-1/2", providing comprehensive coverage.
   Easy operation: Simply connect the adapters, attach the pressure gauge to the workshop air hose, pressurize the system, and listen for any signs of leaks.
   Durable and easy to store: These turbo system leak testers are made of high-quality nylon and metal materials, ensuring long-term durability. The included blow-molded box makes transportation and organization easier than ever!