A tray assembly for use with dental instruments is disclosed herein comprising: a tray, an plate having a top plane and a bottom plane and apertures, the apertures being horizontally configured to receive a plurality of receiver assemblies supported on a top plane via a receiver assembly support, a plurality of semi-cylindrical Radel® instrument supports, a stationer comprising a biasing means whereby the instrument is friction held in stasis between the stationer and the instrument support, and a plurality of instrument stationers. The plate includes a plurality of aperture(s), at least one receiver assembly for receiving at least one medical/dental instrument inserted between the instrument support and the biasing instrument stationer, suspended within the tray. A kit is also disclosed for the present invention.