Sheet metal fastener

A one-piece sheet metal clip adapted to be mounted in a channel member open along one side in an axial direction thereof, said clip including a substantially planar base, a pair of legs each connected intermediate the extremity of the leg to opposite sides of said base, each leg spaced from the base other than at its point of connection and each leg having its opposite extremities extending beyond the edges of the base joining said opposite sides, said legs being capable of flexing independently whereby said clip is maintained in oriented relationship to said channel member in spite of surface irregularities therein, an apertured retaining arm extending angularly out of the plane of said base, said retaining arm including a pair of side elements extending from said base and a transverse limb connecting said elements, each of said legs being provided at their opposite ends with a bighting edge for engaging opposed walls of said channel member and adapted to locate the base generally transversely of said channel member and said aperture in the retaining arm in accessible relationship relative to the opening in said channel.