An set for our range of imperial (inch sized) forstner bits and multi-spur bits with 5/16" or 3/8" shanks. Adds about 3-1/2" to your drill depth. Made by 'Stern' in Austria
An set for our range of imperial (inch sized) forstner bits and multi-spur bits with 5/16" or 3/8" shanks. Adds about 3-1/2" to your drill depth. Made by 'Stern' in Austria