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gemstone grading
repeatable sharpening setup
The included round plastic storage box keeps all ten burs organized and protected at the bench
Links constructed from 0
GRS 006-255 MicroBlock One Prop 65 - Oxide Mix gemstone gradingThe GRS MicroBlock One engraving block is engineered for the ideal balance of stability and maneuverability at the bench. Designed for precision stone setting, hand engraving, and other detailed work under magnification, it provides dependable support with a streamlined, cost effective design. Low profile and steady in the hand, it turns smoothly beneath your tools for controlled, confident cuts. The GRS Microblock One weighs 3. 6 lbs (1. 64kg) with a
