●Package Include--You will get 5 different sizes of ABS plastic round hollow tubes, 6 pcs/size, 30 pcs in total. A large quantity will be sufficient and convenient for your use. ●Assorted Sizes--There are 5 sizes in total, length 400mm/15.75", diameter: 3mm, 4mm, 5mm, 6mm, 8mm, hole: 2mm, 3mm, 4mm, 5mm, 7mm. ●Premium Material--The round hollow tube is made of high quality ABS plastic, with good toughness and strength, lightweight and durable. It can be more convenient in model making. ●Easy to Use--You simply cut the plastic hollow round tubes to the length you want and glue them together to make your own unique craft. ●Wide Application--Perfect for structural and architectural model making or building, model railway, wargame layout and diorama creation and many other DIY modelling tasks.