206 Kadee® HO Scale Coupler Height Multipurpose Gauge
Description: HO Multipurpose height gauge Includes the #148 "Whisker®" Coupler & #158 "Scale" "Whisker®" Coupler. 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"