The Amaco Velvet Underglaze V-361 Jet Black 16 oz Ceramic Pottery Glaze is a branded carving tool suitable for clay sculpting. This high-quality glaze cone comes in a size range of 05-10, providing artists with a smooth and even finish for their ceramic pottery creations. With its non-handmade nature, this product offers artists a convenient and reliable option for adding beautiful details and textures to their work.