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The VALUE COLLECTION 350-4200 is a 12-piece synthetic ruby abrasive stone kit designed for precision deburring, honing, and surface finishing in trade and industrial applications. Synthetic ruby stones deliver consistent cutting action on hardened metals, tool steel, and close-tolerance components. The fine grade makes this kit suited for finishing passes where surface quality matters, not just material removal. At 0.08 pounds, the full set is compact and easy to store in a tool roll or service bag. Licensed machinists, toolroom technicians, and precision maintenance mechanics are the primary users of this type of kit.
This kit is used in applications where burr removal, edge blending, or fine honing is required on metal parts. Fine-grade synthetic ruby stones are commonly applied to valve seats, hydraulic components, mold and die work, and precision-fit mechanical assemblies. The 12-piece configuration provides a range of stone profiles or sizes to address different access requirements and surface geometries in a single kit. Suitable for bench work and field service where hand-stoning is part of the repair or finishing process.
Designed as a general-purpose fine-grade abrasive stone kit suitable for hand-honing and deburring operations on hardened metals and precision mechanical components.
Abrasive stones are used by hand or with a holder on powered equipment depending on application. Always wear appropriate eye protection and gloves when stoning metal surfaces. Secure workpieces properly before beginning any deburring or honing operation. Follow shop safety procedures and equipment manufacturer guidelines for surface finishing work.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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