- Ideal for jewelry-making enthusiasts and online shoppers, this bracelet mandrel helps determine the perfect bracelet size and can effectively fix bent rings, restoring them to their original round shape. - The mandrel features a maximum diameter of 7.8cm (3.1 inches) and a minimum diameter of 3.5cm (1.4 inches), making it versatile for various bracelet sizes. - Crafted from eco-friendly materials, it is durable enough to withstand hammering while remaining gentle on metals, preventing any scratches or marks. - The circular design includes a diameter scale for easy size measurement, allowing users to visually assess the bracelet size through the winding wire. The mandrel is designed to handle circular deformations and recover seamlessly. - Practical applications include: 1. Restoring bent rings to their original shape for a polished finish. 2. Accurately sizing bracelets for personal use or resale, ensuring a perfect fit. 3. Assisting hobbyists in crafting custom jewelry pieces with precise dimensions. This bracelet mandrel combines functionality, compatibility, and performance, making it an essential tool for both hobbyists and professional jewelers.