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
