Perma-Cote, Conduit Elbow, Standard Radius, Metric Size Designator: 27, Pipe Size: 1 IN, Diameter: 1.395 IN External Diameter X 163 IN Internal Diameter, Tangent: 2.875 IN, Nipple Length: 14-3/4 IN, Radius At Inside Of Bend: 550 IN, Radius At Outside Of Bend: 6.450 IN, Radius At Center Line Of Bend: 5.750 IN, Offset At Inside Of Bend: 7.928 IN, Offset At Outside Of Bend: 9.323 IN, Degree Of Bend: 90 DEG, Offset At Center Of Bend: 8.625 IN, Thread Protector Cap Color: Blue, Material: Steel Body, Plastic Thread Protector Cap, Finish: 40 MIL Gray PVC Exterior Coating, 2 MIL Green Urethane Interior And Thread Coating