Aluminum alloy construction, and not easy to get rusty. Universal fit for turbocharged vehicles. Compatible with many vehicles. Knurled ends provide a slip grip when making adjustments. Boost Turbine Manual Boost Contolle Kit, 1-30 PSI Ca Tubo Boost Car Turbo Kit Specifications: Material: Aluminum Alloy Color: Black Size: 2 x 7.7cm/0.78 x 3.03 Package Weight: approx. Aazon.co: Watris Veiyi 1-30 PSI Car Turbo Boost Controller, anual... [Provides a non-slip grip] The special design of the boost controller provides a non-slip grip when adjusting, and it is also very easy to install.1. Ball and spring design 2. Aluminum alloy construction, and not easy to get rusty 3. Knurled ends provide a slip grip when making adjustments 4. Easy to install, but professional installation is highly recommended 5. Universal fit for turbocharged vehicles Spec: Description: This manual boost controller is used to adjusts the pressure of the turbocharger system and guarantees stability of the system. Easy to install, but professional installation is highly recommended. [Aluminum alloy material] This manual supercharging controller is made of aluminum alloy material, which is lightweight and sturdy. Manual Boost Controller Kit Features: Ball and spring design. Christmas by Roman Inc, Cherished Teddies Collection, 4.5 H Gabrielle Annual Figure, Ornament, Christmas Tree, Holiday Home Décor, Santa, Cardinal, Nutcracker, Snowman, Reindeer (4x2x4 Made of aluminum alloy, quality and performance guaranteed! It helps to enhance the overall performance and reduce harmful .