<p>Set of 105 mm diameter aluminium rings are ideal for sand casting to create small shapes and Jewelry pieces. It is sturdy vessel that is ideal for use with our Quick Cast Sand Casting Clay that can be found in our store.</p> <p><strong>Specification:</strong></p> <ul><li>Material : Aluminium</li> <li>Outside diameter :105 mm</li> <li>Inside diameter : 75 mm</li> <li>Height : 45mm (single piece)</li> <li>Overall height : 85 mm</li></ul>