Color Rite/K-Tool Products
Grade Gauge

Walthers Part # 211-150, p. 342 Walthers 2004 Big Trains Reference
A scale, $14.95, sold out at Walthers

 
A must for anyone building or modifying a model railroad layout to Quickly and Accurately determine any track grade. Easy to use: Attach to any standard 24" or 48" carpenters level. Set gauge to desired incline percent. Lay on roadbed. Raise roadbed until bubble balances. Secure roadbed using standard construction practices.