Otto Frei

Personalize a bracelet or chain with this sparkling initial charm. The Letter H is crafted in 14K white gold and measures 8mm tall, set with a tota...

An annealing pan holds work in a bed of pumice so heat reflects back onto the metal while you anneal or solder. The Rotating 12" Annealing Pan turn...

Personalize a bracelet or chain with this beautiful, sparkling initial charm. The Letter O is crafted in 14K white gold and measures 8mm tall, set ...

Gold test needles are an essential tool for jewelers performing acid-based metal testing. This set of four needles covers three gold karats — 10K, ...

Keep parts organized and secure during ultrasonic cleaning with this stainless steel basket, designed to fit 1-1/2 gallon (6 liter) ultrasonic clea...

This standard yellow master alloy is formulated for 14K and 18K gold fabrication and for glass enameling applications. Because it contains no zinc,...

Triple Duty Numbered Repair Envelopes give jewelry and watch repair professionals a complete three-part tracking system in a single envelope set. E...

These die-struck 6-prong pear-shaped settings are crafted in the USA and available in both 14K white gold and platinum. The die-struck construction...

Round Moissanite in 10mm offers exceptional optical performance for fine jewelry applications. All moissanite used in the jewelry industry is synth...

This professional-grade circle center finder is imported from Germany and crafted from fine tool steel. Designed for precision layout work, it loca...

The Muonionalusta Meteorite is a rare iron meteorite that fell to Earth over one million years ago, originating from the core of a celestial body. ...

Unlike traditional sandbags, this 6" leather engraving pad is stuffed with a firm material that provides substantially more support beneath engravi...

The Bergeon 30010PF is a classic die holder designed to accept 8.0mm diameter round dies used in watchmaking and jewelry work. While jeweler's dies...

Keep your vacuum casting setup running without interruption. This replacement 3-way valve is designed to fit the EZ-Cast, Kaya Cast, and virtually ...

This 600 ml stainless steel beaker is a practical, durable vessel designed for electroplating and electro-stripping applications. The beaker functi...

These die-struck 4-prong settings feature a square shape with V-end prongs, available in 14K white gold and platinum. One-piece construction and di...

A classic sterling silver money clip sized at 1 x 2 inches, designed for use as a finished component in jewelry making or as a ready-to-sell resale...

Keep your Bergeon 6571 tweezers performing at their best with these replacement ceramic tips. Sold as a pair, these 2" ceramic tips are designed fo...

A lever back closes behind the ear and stays shut, which is why it is the standard finding for drop earrings that get worn hard. These heavyweight ...

Platinized titanium anodes are the professional standard for rhodium plating applications. These anodes deliver consistent, reliable performance in...

This round, double-stitched 8" diameter leather sandbag is crafted from thick, heavy-duty leather made from camel hides. Metal has been formed usin...

A setting bur cuts the seat and bearing a stone drops into, opening the metal cleanly so a bezel or prong holds the girdle square. This 16 piece ki...

Personalize a bracelet or chain with this sparkling initial charm. The letter S is crafted in 14K white gold and set with diamonds totaling 0.05 ca...

The Jo-Di Diamond Gauge with Book allows professional jewelers to accurately estimate the estimated weight of a diamond without removing the stone ...

Solid felt split laps deliver smooth, consistent polishing performance thanks to their specially balanced construction. The radial slits provide ou...

Set an oval gemstone into a ring, pendant, or earring without fabricating a head from scratch: this cast setting takes the stone in four prongs and...

Personalize a bracelet or chain with this sparkling initial charm. The letter U is crafted in 14K white gold and set with diamonds totaling 0.05 ca...

This Brilliant Cushion Moissanite measures 8x8mm and delivers exceptional optical performance for fine jewelry applications. All moissanite in the ...

Over the decades since the late 1970s, Otto Frei has built thousands of custom workbenches — and the railing hardware for the catch tray and tool t...

The MX Split Lap is a multi-laminated, flexible cotton split-lap wheel impregnated with aluminum oxide abrasive. Its smooth, controlled, cool grind...

A precise, professional-grade measuring tool built for the bench, this degree gauge is made in the USA from polished steel with easy-to-read brass ...

Gold test needles are an essential tool for jewelers and precious metal buyers who need to verify the karat purity of gold items using acid testing...