Insulated Multi-Purpose Coupler Height Gauge

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"