O-z Gedney OZ-Gedney EFL-75 Type EFL Concrete Slab Electroform 90 DEG Conduit Insert, Size: 3/4 IN, Malleable Iron, Finish: Zinc Plated, Dimensions: 2-3/16 IN Base Diameter X 3-1/16 IN Base To Conduit Center X 3-11/16 IN Height, 3-13/16 IN Turning Radius, Third Party Certification: UL File Number E-11853, CSA 009795, Applicable Third Party Standards: UL 514B, CSA: C22.2 No.18, Federal Specification W-F-408E, For Concrete Slabs 6 IN Thickness And Up, Threaded Rigid Conduit And IMC