Kadee #814 S Scale Multi-Purpose Coupler Height Gauge

Kadee #814 S Scale Multi-Purpose Coupler Height Gauge     #814 Multi-Purpose Coupler Height Gauge - S Scale A must have tool for gauging correct coupler, trip pin, and permanent uncoupler heights for achieving trouble free coupler performance. "Takes the guess work out"Coupler Height Gauge:1) Provides instant visual reference of proper coupler height2) Gauges car underbody height from the rail3) Gauges track width (N.M.R.A. Standard)4) Gauges wheel width (N.M.R.A. Standard)5) Gauges proper height of trip pin