Accurate Adjustment:This is a true accurate gauge, not a close to spec gauge.This will work on the 48mm diameter heads. Vsttar 22-540 guage for the Delta 12" portable planers (22-540) type 1 & 2, and the TP300.
Mode:Simplify setting and adjusting knives in a cutter head by stabilizing the knife blade. Simply place the gauge assembly over the knife and then adjust for the correct knife height.
Structure and Composition:The planers woodworking tool consists of two gauges within a framework for firmly attaching to a cutter head. The easiest and most efficient way to reset your blades, the jointer blade setting tool fits most planer blade.
Note:This gage will not work on any full size planers, 15" planers, 13" planers, 16"planers, or 20"planers. You do not need this gague if you have the 22-555, 22-560, 22-580 or 22-590 planers. These all use indexable knives.
Dimension & Material:L*W*H: 7.7 in*1.5 in*1 in, Alloy. Please check your part number before purchase!