Pipe Tubing Size：OD:13mm(1/2"),Wall Thickness：1mm(1/25"),Length：406mm(16"),4 Pcs Material：Metal tubing is made of 6063 aluminum,6063 aluminum tube smooth surface seamless with light mass and medium strength,good processing performance,corrosion resistance,high toughness,weldability,long-lasting durability and processing is not easy to deform. Characteristic：6063 aluminum material with T5 temper treatment for increasing strength and meeting standard mechanical property requirements. Characteristic：Aluminum tubing has excellent heat dissipation properties,making them great for use in applications where heat is a concern. Applications：6063 aluminum tube used in architectural applications,furniture,pipe railings,outdoor gardening,handicraft and industrial use.Can be used in DIY projects,crafts, building models,car models,aluminum frames,gardening products,etc. 6063 hollow pipes have the characteristics of lightweight and high strength,can be used to make advertising board frames,curtain walls,ceilings,decorative wall panels,tables and chairs,bed frames,wardrobes,and vehicle body frames,effectively reducing the weight of objects< /br > Aluminum tubes have excellent heat dissipation performance and can be used to make electronic product casings and radiators,engine radiators,exhaust pipes,and other components< /br > 6063 aluminum tubes are easy to undergo surface treatment processes such as anodizing and spraying,presenting different colors and textures to increase aesthetics< /br > Aluminum tubes easy to cut,drill,and shape.16 inch the longer length is enough for you to cut at will< /br >