High Quality Material: 6 Leg metal canopy frame kit are made of galvanized steel with silver coating,rust resistant and durable Full-size: Outer Diameter: 1-1/2", Internal diameter: 1-3/8", which fit all pipes with an outer diameter slightly smaller than 1-3/8" Practical Design：Each Carport Kit is equipped with fixing holes and corresponding self tapping screws to increase the stability of the frame. It's also equipped with a ring for fixing the top tarpaulin Easy to Install: Insert the pipe into the canopy connectors and fix it with the matching self tapping screws. And the ring on the connector can be used to fix the tarpaulin. Metal pipes and tarpaulin are not included and need to be purchased separately Widely Applicable: Canopy frame kit can be widely used in carports, boat sheds, party tents, greenhouse, etc ICITYWALL 6 Leg Carport Kits，High Peak Canopy Fitting Kit with 1-3/8" ID, Galvanized Steel Carport Connectors, shed frame kit DIY Project