●【Package & Size】 2pcs x seamless aluminum tubing; Size: 300mm Length 12mm OD 8mm Inner Diameter ●【Durable 6063 Aluminum】 Made of high quality 6063 aluminum, the aluminum round tubing is of high strength, weld-ability, corrosion resistance. It is super durable for long time use. ●【Seamless Process】 Processed seamlessly, these aluminum round tubes have smooth and seamless interior, being great for precision applications. ●【Multi-functional】 Aluminum tubing is widely used in the industrial, ships, home furnishing and other industries. Perfect for DIY handmade, frames, boat building, modelers, crafts, gardening products, shopfitting, etc.