Otto Frei

Re-Cast-It is an alloy additive designed for recasting old or scrap yellow gold. It does not contain gold and is not a substitute for gold, but whe...

A reliable, professional-grade investment casting master alloy formulated to produce a darker yellow tone ideal for 10K–14K gold alloying. This all...

3-prong cocktail-style earring mountings for round faceted gemstones, built on friction posts for clean, classic single-stone studs. A crisp galler...

This sterling silver ring shank blank features a tapered profile, thicker at the top and slimmer at the base, with flat ends ready to be shaped aro...

These cast heart double gallery 4-prong settings are designed to securely display heart-shaped stones with refined detail and structural integrity....

Why invest in a full-size electric wax pen when a compact, cordless solution may be all you need? The Grobet USA Small Wax Pen delivers instant hea...

These filigree clasps offer an elegant decorative closure for two-strand necklace or bracelet designs. Available in Sterling Silver and Yellow Gold...

Silicone gaskets designed to seal hot perforated flasks to the vacuum casting chamber. Available in five sizes to accommodate a range of standard f...

These extra heavy sterling silver friction ear nuts offer a larger footprint than standard ear nuts, making them an excellent choice for heavier ea...

Add brilliant sparkle to your fine jewelry designs with these full cut round diamond melee, sold in a convenient pack of 5. Whether you're setting ...

The Plastic Emery Stick Holder is a durable, reusable finishing tool designed for jewelers and metalsmiths who rely on emery paper for precise surf...

These closed fluted solid bails with openings are die struck in 14K gold, available in both yellow and white. The fluted design adds refined textur...

Keep your flex shaft running at peak performance with this replacement inner shaft cable, designed specifically for the OttoFlex and OttoTorqueFlex...

The Cylinder Shaped Muslin Buff is a reliable polishing consumable designed for professional jewelers and metalsmiths who need consistent, high-qua...

The Small Max Wax Speedy Wax Pen is a cordless, battery-operated electric wax pen designed for wax model repair and detailed design work at the ben...

The Otto Frei 4-1/2" Bent Chain Nose Mirror Polished Slimline Pliers are preferred by jewelers with smaller hands or anyone performing the most del...

The 5-1/8" Bent Chain Nose Mirror Polished Pliers from Otto Frei are the most popular size in the lineup — and it's easy to see why. Featuring a be...

Precision-crafted in Germany, these 4-3/4" mini side cutters are purpose-built for cutting hard beading wire. The bevel-edged jaws deliver added st...

Jeweler's Resource: A Reference of Gems, Metals, Formulas and Terminology by Bruce G. Knuth is a comprehensive look-up reference designed to sit at...

OttoTech Citri-Pickle is a mild citric acid pickle compound designed for use with gold, silver, brass, and copper. A greener alternative to standar...

These 14K yellow gold safety figure-8 clasp components are designed for the repair or manufacture of jewelry clasps. Each piece features an integra...

This sterling silver Crown gallery wire is crafted from a storied tradition — produced in Israel using equipment originally manufactured in Germany...

These 14K yellow gold small magnetic clasps feature an integrated 5mm spring ring, combining the convenience of a magnetic closure with the added s...

Morganite is a captivating variety of the Beryl family — the same mineral group that includes Emerald and Aquamarine. Its color ranges from soft ro...

These cast marquise earring mountings feature a double gallery design with four prongs, engineered to securely hold marquise-cut stones across a wi...

These round filigree clasps offer an elegant, decorative closure for single-strand necklaces and bracelets. Featuring an intricate filigree design,...

The Natural Euro Charcoal Block is a professional-grade soldering surface designed for jewelers and metalsmiths who demand consistent, reliable per...

These 1.75 mm round lab grown diamond melee stones are sold in a convenient pack of 5, ideal for adding bright, precise accents to engagement rings...

Sapphire is one of the most popular colored stones in the United States, prized for its extraordinary durability and suitability for everyday wear....

Kyanite takes its name from the Greek word kyanos, meaning "dark blue." This distinctive gemstone closely resembles sapphire and is widely used as ...

This replacement fluorescent bulb is designed for older model OttoSetters microscopes sold prior to 2002. Featuring a semi-square mount with four p...

Keep your OttoSetters Microscope performing at its best with this 10W replacement fluorescent bulb. Designed specifically for current-model OttoSet...