Description: Material: This Automotive Smoke Leak Detector Plug is made of pp material, which is durable and sturdy, ensuring durability and longevity.Product Size: The Smoke Leak Detector measures 8.5*10cm, making it a suitable fit for most engine intake pipes.Easy to Use: The conical design allows for easy installation and removal, providing a secure seal to accurately detect any leaks in your vehicle's system.Feature: Make leak testing with a smoke machine via larger openings a whole lot easier. Simply fit the cone into measurement site and inject smoke to test for system leaksVersatile: Ideal tool for mechanics or DIY enthusiasts to diagnose and locate leaks in the engine intake pipe system efficiently. Specification: Material: PP Size Chart: 8.5cmx10cm/3.35inchx3.94inch Package Includes: 1 PieceSmoke Leak Detector Note: Please allow slightly errors due to manual measurement and different monitors.