Usage Tips:Multiple Sizes for Wide Compatibility: This 7-piece dust collection hose adapter kit includes 1-2/3inch, 1.1inch, 1-1/3inch, 1-3/4inch, and 0.9inch adapters, making it compatible with woodworking power tools, , and shop vacuums from . Efficient Dust Collection for a Cleaner Workspace: The adapters a secure connection between your dust collection hose and tools, minimizing dust leakage, improving suction efficiency, and keeping your work area clean while reducing airborne dust exposure. & High-Quality Material: Made from high-strength plastic, these adapters are impact-, wear-, and long-lasting, making them suitable for heavy-duty work environments and ensuring stable performance over time. Secure Fit & Easy Installation: Precision-engineered to provide a tight and secure connection, preventing air leaks and disconnections. No extra tools required - quick and effortless installation and removal save time and enhance workflow efficiency. Versatile Applications: Perfect for woodworking workshops, home DIY projects, and industrial dust collection systems, this adapter kit allows you to build a more flexible and effective dust collection setup for a smoother working experience. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color: blue Material: plastic Package Contents: 7 x dust collection hose adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.