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The STANLEY 21-398 is a replacement blade set designed for wood hand planes and shaving tools used in carpentry and woodworking applications. These blades are manufactured to restore cutting performance in worn or damaged plane assemblies. A sharp, properly fitted plane blade is critical for achieving smooth, consistent stock removal and surface finishing on wood. Carpenters, finish woodworkers, and general tradespeople who rely on hand planes for joinery, trimming, and surface prep will find this a direct service replacement to maintain tool function.
These blades are suited for use in bench-top and portable wood plane applications common in residential construction, millwork, and trim carpentry. They are packaged individually, making them appropriate for single-tool servicing without surplus stock. Typical users include professional carpenters and skilled tradespeople working in finish applications where hand tool precision is required.
Designed as an OEM-style replacement blade for compatible STANLEY wood hand planes and shaver tools. Verify fit against your specific plane model before installation.
Blade installation and removal should be performed by a qualified tradesperson familiar with hand plane disassembly. Ensure the plane body is fully disengaged and secured before handling or swapping blades. Use appropriate honing or sharpening tools if edge conditioning is required after fitting. Follow the tool manufacturer's adjustment guidelines for blade depth and lateral alignment before returning the plane to service.
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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