This pack contains a 6 straight sections and 6 short straight wall sections.
 
N gauge length:
Straight wall size - 55.5mm
Short straight size - 28mm
 
TT:120 length:
Straight wall size - 70mm
Short straight size - 35mm
 
TT:3mm length:
Straight wall size - 83mm
Short straight wall size - 42mm
 
00 gauge length:
Straight wall size - 111mm
Short straight size - 56mm