Matrice pentagonale pour grand biseau, de 10 mm à 25 mm x 350 mm – OMO, fabriquée en Italie

The Pentagonal Large Bezel Mandrel from OMO is a premium 5-sided forming tool precision-crafted in Italy for jewelers and metalsmiths who demand accuracy in bezel work. Designed to faithfully reflect the shape and proportions of pentagonal stones, this mandrel features slightly sharp edges that crisp up bezel walls cleanly and consistently. Stepping from 10mm × 10mm at the narrow end to 25mm × 25mm at the wide end across its 350mm (13-3/4") length, it covers a broad working range in a single tool. When accuracy matters in bezel fabrication, the quality of your mandrel directly affects the fit of your finished setting—this tool is built to deliver.

Features

• Pentagonal (5-sided) cross-section accurately represents the shape and proportions of pentagonal stones
• Slightly sharp edges for clean, precise bezel forming
• Wide working range from 10mm to 25mm in a single mandrel
• Premium quality construction made in Italy to the highest standard
• Long 350mm (13-3/4") shaft provides ample working length

Specifications