STEEL RING MANDREL WITH QUARTER SIZES AND RING BLANK GAUGE

AQUSYZE stainless steel ring mandrel engineered for professional jewelers and bench craftsmen. Graduated with accurate USA ring sizes 1–16 in 1/4 size increments, allowing precise calculation of ring blank length. Integrated ring blank gauge simplifies sizing and shaping workflows. Case hardened and hard chromed to Rockwell 15–16 hardness. Deep laser-engraved markings ensure durability and legibility through repeated use with hammer or mallet forming. Un-grooved design accommodates standard ring shaping techniques. Produced to the highest stainless steel standards for reliability and longevity in professional shop environments.