JTC-4315 渦輪系統檢測器 Special designed to check leakage in the turbo system. Kit come with 4 pairs of step adaptors to cover wide range of hoses. Work with low pressure air. Work with cooling system hose. Working pressure: 1.5kgs/cm2. Adapter: 80~90mm*2, 65~75mm*2, 50~60mm*2, 35~45mm*2.