Ladbrooke Cubic Inserts are required to make a hole to accommodate the blocks made by the Micro 20 Soil Blocker. Each set contains 4 heavy duty 3/4" cubed plastic molds that will last for years. Comes with 4 screws and 4 washers. Insert black cubes in the Mini 4 soil block maker or long handle models, then fasten with screw and washer where the existing seed pins are. Quick, easy process.
Soil Blockers are easy to use and made of robust zinc-plated steel construction. They provide a high rate of germination and easy blooming. Soil Blockers are one of the most efficient gardening tools available, inexpensive and maintenance free! Over 4% of the worlds oil production goes into creating plastic and a further 3% to manufacture it. You can help reduce our global waste by using organic gardening tools such as the Soil Blocker.