Vintage M H M Mfg’s Pat Pend Valve Spring Key Keeper Retainer Tool

Specifications

The Vintage MHM Mfg's Pat Pend Valve Spring Key Keeper Retainer Tool is a unique and rare collectible item that was manufactured in the United States. This tool, branded as MHM, is designed specifically for keeping keys secure and organized, making it a valuable addition to any collection of tools or hardware. With its patent pending design, this key keeper retainer tool combines functionality with a touch of nostalgia for vintage tool enthusiasts. Tool is used in good condition, normal wear, maybe some WD-1 to clean up. Spring functional. Marked; “M H M Pat Pend”.

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