Usage Tips:Package Includes: You will receive 1pcs of flat round outer bat, the size is about 12.5 inch(32cm) in diameter 5pcs of square inner bats with 2 sets of screws. Sufficient quantity is enough for you to replace and clean up in timeEasy to Use: 2 screw sets are included for easy mounting and securing of the base. The gap between the round base and the square plate is designed for easy base replacement and daily cleaningHigh Quality Material: Our products are made ofmaterials that are durable and not prone to fading or breakage, making them suitable for long-term use. Easy to clean, ideal for your daily pottery makingWide Application: Can be widely used in pottery making, it can not only improve your process efficiency, but also can produce pottery at the same time, thus saving your time. They are suitable for pottery enthusiasts, beginners, pottery workers, etcPractical Tool: High quality, rugged and easy to install. Ideal for pottery beginners and professionals. It can also be used in pottery studios to help you save space and improve work efficiency