The Railway Conductor Model Shop
Woodland Scenics ST1415 3% Incline/Decline Starters (pack of 6)
Each piece elevates from 0 - 3/4" (0 - 1.9 cm) within 24" (60.96 cm) and measures 2 1/2" w x 24" l (6.35 cm x 60.9 cm)