Size & Fit for DIY Frames: the canopy frame connectors feature a 1-3/8″ (3.49 cm) inner diameter and a 1-1/2″ outer diameter (3.81 cm) with a threaded eye bolt, compatible with pipes outer diameters slightly under 1-3/8″, including 1-5/16″ and 1-5/8, providing broad compatibility for local DIY projects. Heavy-Duty Galvanized Build: hot-dip galvanized metal provides strong rust, corrosion and UV resistance for long-term outdoor use. Ideal for wet, windy or high-sun areas without warping or weakening, outperforming standard connectors in durability and weather protection. 102° Low-Pitch Peak for Focused Shade: features a 102° eave angle (78° peak) for a lower roof slope that creates concentrated shade and a defined covered zone, great for carport parking, garden shade, concession booths, display areas or designated seating. Easy to Assemble, Secure to Reinforce: simple installation-insert pipes into the fittings and tighten to lock in place; Users can also drill through the pipe for longer service life in harsh outdoor conditions. Metal conduit and canopy material are not included. We are committed to delivering your items quickly and reliably. We’re here to assist you! Give us the opportunity to solve the problem. We are always here to serve you.