Bergeon 6675-4 Gold Test Needles Premium Set Of 4 Swiss Made Beadsmith The Ruby Midget File 11-Piece

The Ruby Midget File 11-Piece Kit includes all 11 Ruby Midget Files (50mm–100mm) plus one double-ended holder with two collets

23 is a precision replacement sleeve designed for use with compatible Swiss-style rotary handpieces and flex shaft systems

The lower opening is used for 90-degree cuts

Suitable for professional jewelry fabrication and resale applications

Do NOT add replenisher to a contaminated bath

Bergeon 6675-4 Gold Test Needles Premium Set Of 4 Swiss Made Beadsmith The Ruby Midget File 11-PieceThe Bergeon 6675 4 Gold Test Needles are a premium Swiss made set of four solid gold testing needles designed for professional jewelers and metalsmiths who require accurate, reliable karat testing. What sets these needles apart is that the gold test pieces are solid through and through not plated or surface coated like lesser alternatives. Each needle carries a small square of solid gold in a specific karat, ensuring consistent, trustworthy results