These 5/8 inch diameter ball bearing rollers are perfect for creating your own out feed roller tables. Unlike rollers which operate only in a straight line, these 360 universal transfer bearings are particularly suited for curved work created on band saws and router tables as well as straight cutting on bench saws and miter saws . Featuring two screw holes in each bearing surround for solid attachment to the worktable or workbench. With a load bearing of 33Lbs each, they are supplied in a set of six.