Standoff Adaptors. Allows cable hangers to be mounted to round members. 3/8" tapped style accepts 3/8" hardware. 3/4" hole version accepts snap-in hangers. Inser kits convert 3/4" hole into 3/8" tapped hole. Related products: T9303 series stackable snap-in hangers, T9362 series standard snap-in hangers.