Material: Durable stainless steel, can be used repeatedly for a long time. We provide 3 months quality warranty. It is recommended to wear gloves when using this soil blocker to avoid scratches. Function: Quickly get a set of 4 pieces of 2 inch soil blocks. Just mix and wet your soil, use the soil blocker tool to compactly press and put in your seed tray and you’ll get 2" x 2" soil cubes /p> Soil Blocking Tool Kit Contains: 1 x Sowing Machine + 4 x 2.1 x 1.1cm Pins + 4 x 1.1 Pins x 1cm + 4 pins 2.66 x 0.66cm. Note: This is a handy garden planting tool. The slight scratches produced when cutting the steel will not affect the use of the floor block. Satisfaction: If you are not satisfied or suggestions for our products, please contact us, we provide refund or replacement. We are constantly improving this product.