This extractor is designed primarily for extracting fluids like engine oil and transmission fluid. Material: PP. Main Tube:Φ0.31x0.39in /L:39.3in. Extension Tube 1: Φ0.20x0.27in /L:39.3in. Built to Last Constructed with high-quality PP material that resists corrosion and withstands regular use, providing excellent value with its durable performance.