Product size: 19.5*5.2*24CM.DURABLE AND ECO-FRIENDLY - Made of high-quality galvanized steel, our soil blockers are durable, well constructed, and last for many years - reducing waste of plastic seed cell trays.SIMPLE BUT INNOVATIVE - One smooth, simple motion to quickly make a set of four square soil blocks approximately 5.1 cm. Simply mix and moisten your soil, press with the comfortable handle, and plant your nursery! Each block has an extra height of about 6.1cm to ensure a more durable soil pack for a more durable finished cube.ERGONOMIC HANDLE DESIGN - The manual square block machine handle features non-slip cushioning and an ergonomic shape for easy planting and perfect for every season.Suitable for Nurseries - Soil Blockers produce soil blocks that minimize damage to fragile root systems during transplanting and avoid root knots as roots are air-pruned as they reach the edge.