GRS 004-589 Inside Ring Holder With Collets voltage-110v 5 mm sizes (2

5 mm sizes (2

Formerly Kerr Satin Cast 20

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GRS 004-589 Inside Ring Holder With Collets voltage-110v 5 mm sizes (2The GRS 004 589 Inside Ring Holder with Collets is an optional attachment designed for use with the GRS BenchMate system, engineered to solve one of the most frustrating challenges in the shop: securely holding wide rings for engraving or stone setting work. Standard ring clamps simply cannot accommodate many wide band rings, but this holder grips rings from the inside using expanding nylon collets no pitch, no shellac, no mess. The ring is fully