Item Model No. Size(mm) Packing Remark's ABS C7 7x7x9.90 200m Unit length:2m,3m,4m Black color Q215,Q235 ABS C10 10x10x14 200m ABS C15 15x15x21 100m ABS C20 25x25x35 100m ABS C25 20x20x28 50m ABS C30 30x30x42 50mIt is a triangular steel strip for concrete forming, eliminating sharp corners and the need for concrete edge rubbing. They make the exposed corners of the concrete structure stronger and more aesthetic. ●Excellent in quality ●Durable ●Saves construction cost ●Unlimited usage