Gold & Platinum Emerald Double Gallery Center Head with Side Grooves, 4-Prong Cast Alloys Complete set of 5 diamond

Complete set of 5 diamond needle files in the most commonly used profiles

making them a dependable choice for detailed inspection work at the bench

Tungsten Vanadium Steel burs are the most widely used burs in the jewelry industry

Replacement punches available — contact Otto Frei to order

Requires periodic lubrication with handpiece lubricant

Gold & Platinum Emerald Double Gallery Center Head with Side Grooves, 4-Prong Cast Alloys Complete set of 5 diamondThis cast 4 prong center head is designed for emerald cut stones and features a double gallery construction with side grooves for a refined, detailed profile. Available in 14K yellow gold, 14K white gold, and platinum, it is offered in 11 stone sizes ranging from 5. 0 x 3. 0mm to 11. 0 x 9. 0mm. Each size has its own distinct setting height, top width, and bottom width making it straightforward to match the head to your stone and design requirements.