GRS 004-489 Brass Channel Ring With Holes Sold by the Piece

The GRS 004-489 Brass Channel Practice Ring is a precision-made training blank designed for jewelers and stone setters to hone their channel-setting skills. Crafted from solid brass, this ring features evenly spaced pre-drilled holes sized for 3 mm stones, allowing for consistent and repeatable practice without wasting precious materials.

Key Features

• Made from durable brass — ideal for practice and demonstration.
• Pre-drilled holes sized for 3 mm stones.
• Provides realistic channel-setting experience without using gold or platinum.
• Sold individually.

Specifications

Applications

Excellent for stone setting students, training programs, and professional jewelers refining channel-setting accuracy. Designed to fit securely in GRS BenchMate or other setting fixtures.

Notes

This is a practice ring blank only; stones are not included.

California Prop 65 Warning:
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm. www.P65warnings.ca.gov.