Glardon-Vallorbe Screwhead with Tang Precision Files - LP1840 GV - Length & Cut (Precision):3-3 Dual-function design: vacuum investing (left

Dual-function design: vacuum investing (left bell jar) and vacuum casting (right chamber or top deck) in one unit

3mm — Thickness: ¼" / 6

Center Stone Size 4 mm Approximate Carat Weight 1/4 ct (diamond weight) Number of Prongs 6 Stone Shape Round Ring Size 6 (standard USA) Construction Die struck Finish High polish 14K White Gold Alloy Nickel-based

Works with standard friction ear nuts (sold separately)

from light refining to heavy stock removal

Glardon-Vallorbe Screwhead with Tang Precision Files - LP1840 GV - Length & Cut (Precision):3-3 Dual-function design: vacuum investing (leftGlardon Vallorbe Screwhead with Tang Precision Files are designed specifically for filing slots in small screws or narrow slots of any kind. Unlike standard precision files, screwhead files are numbered by thickness, not cut the final number in the part number indicates the thickness of the file, not the cut grade. For example, LP1840 4 4 is a 4" file with a thickness of #4, which equals 0. 55mm on this scale. All screwhead files share the same cut