HO Insulated Multi-Purpose Coupler Height Gauge
#206

EASY TO ASSEMBLE & USE
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"