Formatube is specifically designed to form concrete columns. Its strength and versatility makes it light and simple to handle. It can also be combined with Plastitube to give you a class 1 finish. Its designed for strength and versatility, and features an oil lined inner for easier stripping. Light and simple to handle. Features:- Lightweight- Very easy to handle and fast to use- Cost effective- Oil lining makes stripping easy- Can be lined for high-class finish- Water resistant plastic outer lining- Biodegradable- Suitable for round column construction Specifications: Internal Diameter Wall Thickness Stock Lengths 150mm 3.2mm 4m 200mm 5.1mm 4m 250mm 5.7mm 3 & 4m 300mm 5.7mm 3 & 4m 350mm 6.4mm 3 & 4m 400mm 6.4mm 3 & 4m 450mm 7.0mm 3 & 4m 500mm 7.0mm 3 & 4m 550mm 10.2mm 4m 600mm 7.0mm 3 & 4m 660mm 10.2mm 4m 700mm 7.6mm 4m 750mm 9.5mm 4m 800mm 9.5mm 4m 900mm 10.2mm 4m 1000mm 10.2mm 4m 1200mm 12.8mm 2.4m