This thread coupler adapter is an essential tool for optimizing thread compatibility in plumbing and irrigation systems. Its sturdy stainless steel design resists wear and tear, providing dependable performance over time. The adapter facilitates quick and easy connections, helping users achieve efficient setups with minimal effort. Features -Color:Silver -Material:Stainless steel -Size:3.20X2.00X2.00cm/1.26X0.79X0.79in -Effortless thread reduction: converts 17 mm threads to 20 mm threads seamlessly, simplifying pipe connection processes -Durable stainless steel construction: built with durable stainless steel for performance in challenging conditions -Streamlined external threading: external thread design enables quick and secure connections to diverse pipe fittings -Precision engineering: accurately sized to accommodate a wide range of water pipe systems for various applications -Adaptable functionality: suitable for garden hoses, pipe modifications, pneumatic tools, and other versatile uses Package list: 6pcs threaded adapter