Large-Planer-Knife-Jig-Set
These economical jigs allow you to install and adjust planer knives quickly and accurately, saving you both time and frustration. Magnets hold both the jig to the head and the knife to the micro blade adjusters. Set your knives to a tolerance of + or - .002" in minutes! Large jig fits planers with head diameters of 3" to 5". Includes two jigs, case and instructions.