Ring Mandrel Rhombus Ring Mandrel Rhombus is a rhombus-shaped, versatile ring mandrel ideal for forming, sizing, and shaping rings. This high-quality, durable tool is manufactured for jewelers, goldsmiths, and silversmiths, delivering consistent results for professional ring work. Measuring 12 inches long, it provides ample length for finger-sizing and detailed shaping across a wide range of ring sizes. Crafted for longevity, the mandrel's sturdy construction maintains precise contours during repeated use. The rhombus profile helps with stable gripping and minimizes slipping, while the universal sizing scale supports accurate measurements across common U.S. and European sizes. A must-have for busy studios, it pairs with standard ring-making workflows and jewelry design projects. Rhombus-shaped design for precise grip and alignment Ideal for forming, sizing, and shaping rings 12" length for extended sizing and detailed work Durable, high-quality construction built to last Perfect tool for jewelers, goldsmiths, and silversmiths Ready to upgrade your workshop toolkit? Add the Ring Mandrel Rhombus to your cart today and streamline your ring-making process.