Swanstrom - Ring Mandrel (NR2177)

The Swanstrom high-quality ring mandrel is designed for forming, shaping, and accurately sizing rings with precision and durability. Its smooth, highly polished surface helps prevent marring the inside of rings during use. With a usable work surface of 9-3/4” (247.6mm), this mandrel is laser-engraved with clear markings for U.S. ring sizes 1–16 in 1/4-size increments. Crafted from alloy tool steel with a Rockwell hardness of 58, it is built to withstand hammering tasks, making it an essential tool for jewelers.

Specifications:

• Dimensions: 13"L (330.2mm)
• Shape: Round
• Size Range: 1–16 (in 1/4-size increments)
• Brand: Swanstrom
• Shipping Weight: 2.03 lbs (0.921 kg)
• Country of Origin: United States