If youre looking for a better way to construct multi-sided boxes planters and columns then look no further. With these bits theres no need for complex miters and time-consuming set-ups. Instead simply choose the bit based upon the number of sides on the box rout the joint and assemble. Unlike a miter joint the joint created by these bits aligns itself. And the jointstays in alignment while gluing no more slipping and sliding out of position.