HO Scale Kadee #206 Insulated Multi-Purpose Coupler Height Gauge

#206 Insulated Multi-Purpose Coupler Height Gauge - HO ScaleIncludes the #148 Whisker® Coupler & #158 Scale Whisker® Coupler. - Kit.EASY TO ASSEMBLE & USE A must have tool for gauging mounting height, correct coupler height, trip pin, and permanent uncoupler heights for achieving trouble free coupler performance. Also has a built in HO track gauge."Takes the guess work out"Four tools in one.1. Provides instant visual reference of proper coupler height.2. Accurately measures proper trip pin height above rail.3. Built-in track gauge. (N.M.R.A. Standard)4. Movable dowel tests Kadee® Magne-Matic® Uncoupler height and registers the needed adjustments.5) Provides instant visual reference of proper body mounting height.