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A Rare Find - the Holt Bit Brace

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For my final installment on my eBay bit brace lot I will tell you about my rare Holt brace.

 The Holt brace was designed by toolmaker Gardiner Holt as competition to the highly successful John S. Fray Spofford brace. Mr. Holt patented his design for a split chuck in 1880, and examples are found marked Hartford, CT or Springfield, MA.

Both types of braces are of a split chuck design, though the Holt has a few peculiarities of itís own.

The most obvious difference in the two designs is that the Spofford chuck is a more sweeping, fluid shape while the Holt chuck is more bulbous. But to see the real difference we must look closer at the chuck.

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