The Ketley 73mm Blue Perforated Class A Engineering Brick is a high-quality, robust and durable construction material, perfect for a wide range of applications. Manufactured by industry-leading brand Ketley, this brick boasts superior strength and low water absorption. Its distinct blue colour gives it aesthetic appeal, while its perforated design allows for better bonding with mortar, enhancing overall structural integrity. Ideal for below-ground constructions or where high strength is required, this engineering brick is an excellent choice for both professionals and DIY enthusiasts.