Alloy: 6063, 6061, 6082, 6060, 6005 Temper: T4,T5,T6 aluminium tube oxidation or power coating red,blue,black yellow, ... included. Execellent quality and low price.--Alloy:6063/6061--Temper:T5/T6, --Finishing:mill finishing, clear anodized, clear anodized, color powder coated ...