The Hanson PostFix Concrete Maxipack, a convenient 20kg bag, offers a fast-setting concrete solution for fixing posts in the ground, requiring only water to activate. Its unique mix provides additional pre-water support, with small aggregates for a durable, traditional solution. Ideal for tradespeople, DIY enthusiasts, and local authorities, each bag is sufficient for one post. It sets in under 3 minutes, making it perfect for fast-paced projects, and comes in waterproof packaging for outdoor storage.