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precast concrete stair treads CAD:
ARCAT Free Architectural CAD drawings, blocks and details for download in dwg and pdf formats for use with AutoCAD and other 2D and 3D design software. By downloading and using any ARCAT content you agree to the following [license agreement].
1236TB (12"x36"x2.25" tread)
1236TB NOSE (12"x36"x2.25 w/ 60 deg. nosing" tread)
1236tb-3TB (12"x36"x3" tread)
12395-3TB (12"x39.5"x3" tread)
