• Specification: Compatible with 25mm/1" OD tubes; inner diameter of 26mm/1.02", wall thickness of 2.5mm/0.11", and overall size of 53mm x 53mm x 53mm/2.09" x 2.09" x 2.09". • Material: Made of zinc alloy with a brushed finish, corrosion-resistant, durable, and long-lasting. • Easy to Install: Insert the pipe into the elbow and tighten the screws with a screwdriver or a wrench. • General Use: Ideal for interior decoration, industrial machinery, pipe connection, and more. Perfect for handrails, fences, and railings on boats, houses, hotels, and apartments. • Other Uses: Useful for assembling DIY frames, display shelves, garden sheds, and more.