Stainless Steel Hinged Shelf Support Weight Rating:Heavy Duty (500 lb per pair) The partial hole is located

The partial hole is located such that the far edge of the hole is 26 mm from the edge of the shelf and 26 mm from the edge of the flap

Strike bar is 6-1/2" long and 3/4" in diameter

1-3/4" Projection

It includes both 90 and 180 rail sets

Gap between gate and post is 2-1/4"

Stainless Steel Hinged Shelf Support Weight Rating:Heavy Duty (500 lb per pair) The partial hole is locatedThis hinged shelf support allows shelf to fold down when not in use. Shelf will lock in place when in the horizontal position. Shelf releases by pressing a lever on the horizontal piece. Vertical arm measures 6. 5". Horizontal arm measures 12". Width of both arms is 7 8". After installation and when the shelf is in the folded down position, the gap between the bottom of the shelf and the wall it is attached to will be approximately 1 1 8".