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The Sharpie Mandrel and Bearing Kit includes a 1/4 inch (6.4mm) mandrel and heavy-duty bearing. This is a great upgrade for older Sharpie grinders or a replacement kit for newer units. Each Kit comes with high-performance sealed bearing, precision machined stainless steel mandrel, hex wrench, retaining snap ring, and shim gasket.
This new maintenance kit is compatible with all models and versions of the Sharpie (old & new, cordless & corded).
Performance Tips: