This Turnout is designed to mate up exactly width-wise with the roadbed.  The 30-degree shoulders represent a more realistic slope found in many actual railroad roadbeds.  Any turnout in size from #5 thru #6 will fit this turnout pad.  The scale thickness is 18" Mainline.  Actual thickness is 3.2mm (approx. 1/8").Turnout is approx. XX" long, which facilitates extra length to trim to the exact switch utilized.  Turnout is curvable for radius of approx. 11" or more on the diverging route.