Whiteside Bearing Shim Washer Kit
Use these shim washers to make fine adjustments in the spacing of any router bit assembly with a 5/16" diameter arbor. This would include Slot Cutters, Stile & Rail sets, Window Sash bits, and Tongue & Groove bits. Washers are 5/16" ID x 1/2" OD. 15 Piece Kit includes three washers each of the following thicknesses: .004", .006", .008", .010", and .012. Made by Whiteside. USA