Made from high-quality chrome-plated material, strong and durable. Length is 40mm, strictly standard, with no compatibility issues. Utilizes high-specification craftsmanship for a comfortable touch. Exquisite workmanship, lightweight, and practical. Built to strict quality control standards, with an improved design for enhanced durability. Features: Made from high-quality chrome-plated material, strong and durable. Length is 40mm, strictly standard, with no compatibility issues. Utilizes high-specification craftsmanship for a comfortable touch. Exquisite workmanship, lightweight, and practical. Built to strict quality control standards, with an improved design for enhanced durability. Specification: Material: Chrome Plating Size: Approx. 4.5x1.7x1.7cm/1.77x0.67x0.67inch Color: Black, Silver (Optional) Length: Approx. 40mm/1.57inch (excluding threaded part) Thread: G1/4 Package List: 1 x Water Cooling Extended Seat If you encounter any product issues after receiving the goods, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.