... -abrasion,anti-cracking and anti-bending and long duration according to physical measuring.2.SpecificationWe have Hooked ends, Flat ends , Straight, and ... .The diameter is between 0.5mm to 1.0mm. It can be adjusted according to customer's requests.3.UsageSteel fiber concrete ... has already been used for and wide on to many fields,such as road,bridge ,airport runway,tunnel ,culvert ...