GRS 004-489 Brass Channel Ring With Holes Sold by the Piece Prop 65 - Lead Its superior hardness makes it

Its superior hardness makes it especially well-suited for fine shading

Made from HSS (high-speed chrome tool steel) for durability and edge retention

Suited for background removal

Auto drain and waste bottle

a bent stamp is recommended instead of this straight style

GRS 004-489 Brass Channel Ring With Holes Sold by the Piece Prop 65 - Lead Its superior hardness makes itThe GRS 004 489 Brass Channel Practice Ring is a precision made training blank designed for jewelers and stone setters to develop and refine channel setting skills. Made from solid brass, this ring features evenly spaced pre drilled holes sized for 3 mm stones, enabling consistent, repeatable practice without consuming precious metals or materials. Features Solid brass construction durable and well suited for practice and demonstration use Pre drilled