16" 325Grit Resin Bond Diamond Pre-Polishing Pad for Lapidary Grinding, Glass Edge & Stone Finishing – Magnetic, PSA & Velcro Backing:Magnetic Backing Plate Available in a variety of

Available in a variety of sizes—4 inch

It’s an essential flat lap disc for faceting that ensures mirror finishes and dimensional accuracy in gemstone fabrication workflows

and miter shaping

Edge Preservation: Critical for metallography and microelectronics

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16" 325Grit Resin Bond Diamond Pre-Polishing Pad for Lapidary Grinding, Glass Edge & Stone Finishing – Magnetic, PSA & Velcro Backing:Magnetic Backing Plate Available in a variety ofDiamond Resin Soft Smoothing Pre polishing Pads are expertly engineered for high precision surface finishing on gemstones, stained glass, and glasseye artwork. Designed to outperform traditional abrasives, these diamond polishing pads use a flexible Resin bonded diamond matrix. Their flexibility allows them to conform to both flat and contoured surfaces, making these pads ideal for cabochon pre polishing, edge smoothing, and detailed artistic surface