Go Back to Advanced SearchUnit ID: 17140 ~ Product Name: Otterwood Helical 30 Type DescriptionPrimary ViewPrimary ModifierXYZRadiusRiseWeightEstimatedStairHelical36"80-3/4"9-1/2"122-5/8"55"3669 lbs.$ 3134.40Additional Documentation Download Drawings [dwg | pdf]View Unit Line CAD Online [dwf]View Enlarged Unit Line Drawing [gif]