Routing templates, milled from solid brass, ensure quick and precise placement of Brusso products. Compatible with HD-680. Installation instructions are available. A note regarding revision: The TJ-680 design has been updated. If you purchasaed your product after 8/1/13 follow the link below for the Rev 1 instructions. For the Rev 0 instructions, click here. For an explanation of the revision change from the Rev 0 to Rev 1 design click here.