Is there a Box Joint Jig smoother than this? We think not! This new Box Joint Jig for Router Tables is by far the best Box Joint Jig on the market! With 1/4", 3/8" and 1/2" Indexing Keys, you can make different sized box joints to suit your needs! With an integrated smooth-glide system, this jig moves effortlessly and precisely for consistent cuts every time! Each Box Joint Jig will come with the 3 different indexing keys mentioned before, along with 3 custom Baltic Birch Fences to fit each key.