Replacement 4-Sided Top Shelf with Threaded Rail Plates for Voyager NXT. The 4-Sided Top Shelf for Voyager features 1/4″-20 and 3/8″-16 threaded rail plates along the longest sides.

This shelf does not fold down and cannot become 3 sided. If you are looking for a 3-sided Voyager Top Shelf, choose X-Top Shelf with Threaded Rail Plates for Voyager instead.