Description
The Durston Ring Stretcher Mandrel is a compact tool designed for enlarging and resizing rings conveniently, especially for jewelers who work on the go. With overall dimensions of 92mm in length and a diameter range of 14mm to 17mm, it is small enough for easy storage and transport. The tool can be securely fastened in a vice or clamp or used with a lathe/polisher. To use, simply place the ring on the end of the mandrel and tighten the central bolt using the included Allen key; this expands the mandrel splines to stretch the ring. The stepped mandrel ensures even shaping and can enlarge rings by up to approximately one full size, depending on the metal and thickness. This model is well suited for plain bands and commercial resizing applications and is effective for non-ferrous and precious metals, providing convenience without compromising precision.The Durston Ring Stretcher Mandrel is a compact tool designed for enlarging and resizing rings with ease, making it ideal for jewelers working on the go or needing a portable solution. Its overall length is 92mm, with a diameter range of 14mm to 17mm, suitable for most common ring sizes. The mandrel can be secured in a vice, clamp, or used with a lathe/polisher. The user places the ring over the end of the mandrel and tightens the center bolt with the included Allen key, which expands the mandrel’s splines to stretch the ring. Its stepped design ensures controlled and even stretching, and its small form factor allows convenient storage and transport for mobile jewelers.