Light Duty Hinged Shelf Support Size:16" x 16" The drill bit size for

The drill bit size for the plastic dowel is 8mm or 5/16" (drill bit is not included)

Available in two different open widths

11" tall x 2-5/8" wide

Plate Size: 5-1/2" H x 1-3/8" W

Light Duty Hinged Shelf Support Size:16" x 16" The drill bit size forThis product fastens a shelf to a wall and allows the shelf to hinge down flat against the wall. Sold by the pair, a pair is two shelf supports. Fold down shelf hinge bracket spacing should not exceed 32". Load capacity is for a pair of supports when spacing does not exceed 32". The "Hinge Gap" dimension listed below is the distance from the wall to the underside of the shelf after installation and when the shelf is in the "folded down" position.