Concrete Spacer 25mm is a high-strength support block designed to maintain a uniform 25mm concrete cover between reinforcement bars and formwork. Made from durable concrete or fiber-reinforced material, it ensures proper spacing, protects steel rebar from corrosion, and enhances structural integrity. Ideal for slabs, beams, columns, and precast elements, this spacer is essential for achieving compliance with construction standards and long-term durability.