liftblok%E2%84%A2 40kgThe LiftBlok 40kg is a ballast block designed to add weight and improve the stability of temporary fencing systems. With a higher weight per unit, it is suitable for situations requiring additional support, such as construction sites or exposed environments. 40kg ballast block for increased fence stability Concrete filled and plastic coated finish Designed for two person lifting and positioning Units are stackable for additional ballast when needed