The aluminum cylindrical pipes includes 7 pieces of aluminum cylinder, length 2 inch. The "8x1x50mm" means "out diameter x wall thickness x length". This Aluminum Square Tube is versatile excellent for a diverse range of applications, catering to your specific needs. Fit for air intake, cooling systems. Anti-heat properties make this aluminum cylindrical pipe is a reliable choice for applications requiring thermal stability. Designed for versatility, this aluminum tubes adapts to various applications, from structural support to creative installations. The Aluminum alloy 6061 material provides a sturdy and dependable solution for a wide array of industrial and creative endeavors., Manufacturer: ANYACIY