Otto Frei

The Oil Free Quiet Air Compressor delivers reliable, consistent airflow for jewelers, engravers, and stonesetting work without the hassle of oil ma...

These 14K gold three-stone criss-cross ring mountings are cast and hand polished, ready for stone setting and sizing. Designed to hold a round 5 mm...

The Classic Centrifugal Casting Machine is a full-size, spring-driven casting unit made in the USA. It accommodates flasks up to 3-1/2" diameter by...

This 5-stone criss-cross ring mounting is designed to hold five 3.0 mm round stones in a flowing, interwoven setting. The graceful crossover design...

The Triplet Hawk Diamond Loupe is a professional-grade 10x triplet loupe featuring a 21mm European-made lens corrected for both chromatic (aplanati...

This unpolished cast ring mounting features an empty center flanked by tapered baguette side settings, ready for the center stone and setting of yo...

This 14K white gold ring mounting is crafted for professional jewelers seeking a refined, ready-to-set multi-stone design. The criss-cross style ac...

This unpolished cast ring mounting features an empty center flanked by tapered baguette side settings, ready for the center stone and setting of yo...

Keep your wrists and forearms supported during long sessions at the bench with this pair of leather padded armrests, designed specifically for the ...

This extra heavy, die-struck round solitaire mounting is built for professional jewelers who demand lasting structural integrity and a refined fini...

The Bergeon 6675-4 Gold Test Needles are a premium Swiss-made set of four solid gold testing needles designed for professional jewelers and metalsm...

Schneider L2 — 10X Achromatic-Aplanatic Triplet Loupe with Non-Reflective Black CasingThe Schneider L2 loupe delivers sharp, clear, edge-to-edge di...

These ring mountings feature an empty center designed to accept a stone of your choice, flanked by tapered baguette side stones measuring 3.5 x 2.5...

A classic 14K Yellow Gold Foldover Clasp built with a double locking mechanism for secure, reliable wear. Riveted articulating arms on both ends al...

Platinum round solitaire mounting designed for an 8.5 mm center stone — approximately 2½ carats — set with four prongs. Die struck for superior met...

A refined clutch back crafted in 18K yellow gold, designed to secure tie tack posts with a reliable, professional-grade fit. Ideal for jewelers and...

This American-made 1.8mm diameter cable chain is finished with a spring ring clasp and offered in a full range of precious metals and lengths. Avai...

Die-struck solitaire ring mountings designed to hold a 5 mm square center stone with a classic 4-prong, V-ends setting style. Made in the USA by Am...

Crafted in 14K white gold, this round solitaire criss-cross ring mounting is designed to hold a round center stone measuring 3.5 mm, accommodating ...

The Locking Bank Option is a custom add-on modification for the John Frei Workbench, allowing the entire bank of drawers to be secured with a singl...

These 1.5mm curb chains are sold individually and are available in either 14K or 18K yellow gold. Each chain is finished with a spring ring clasp a...

This 14K white gold three-stone criss-cross ring mounting is designed to showcase a round 4 mm center stone flanked by two round 3 mm side stones. ...

Designed by Kent Raible and made in the USA, the Chopper Granulation Shear is a precision tool engineered for rapid, high-volume production of the ...

These three-stone round ring mountings are crafted to hold a 5 mm center stone flanked by two 3.25 mm round side stones, with a total carat weight ...