5 never used router bits includes -
1 dovetail - 1@ 3/4" diameter
1@ 1/2"diameter - 1@ 3/8"diameter
1@ 1/4"diameter
Chuck will hold any bits with 1/2"d shaft. Originally purchased for use on a Shopsmith Mark V but can be powered by any motor with a 5/8"diameter arbor. Sold as a set.