Forstner Bit Extension

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Forstner bit extensions solve one of the major problems with forstner Bits -- their limited depth capacity. This extension fits WoodRiver forstner bits only that have 3/8" diameter shanks.Features: Designed for use with WoodRiver forstner bits only Extension adds 2-1/2" to length of forstner bit For use with forstner bits 7/8" or larger Socket accepts forstner bits with 3/8” diameter shanks Forstner bit held in extension socket with two set screws 3/8” diameter drive shank allows use of multiple extensions Show more