High-quality wooden calipers in 8/10/12 inch sizes. Durable, adjustable, and anti-corrosion. Perfect for ceramic pottery proportioning & positioning to simplify work and increase efficiency. Features 1. Premium Material: This caliper is made of high-quality solid wood material, with exquisite production technology, anti-corrosion and wear-resistant, and durable. 2. Usage: The caliper can be used to simply check whether the diameter or caliber of the ceramic belly meets the requirements, and can also be used to take out the baked pottery. 3. Three Sizes: There are three different sizes of calipers, you can choose according to your needs, so that you can make ceramics more flexibly. 4. High Efficiency: Pliers can be locked, freeing up your hands and making your jobs easier and faster. 5. Adjustable & Convenient: With adjustable metal wing nut for fixing in place. It is very practical. A good tool for ceramics measuring. Specification Material: Wooden Color: Wooden Size: 8 inch: 19.5 x 6 cm, 10 inch: 24.5 x 7 cm, 12 inch: 28 x 8.5 cm Weight: 30 g, 40 g, 50 g, 120 g Package Include: 1 Wood Calipers or 3 Wood Calipers