This item is not precisely engineered. Table extends over the leg attachment. This allows for a 3/4 inch gap at the top since you can only connect the bottom screws, 
A gap of 3/4 inch runs through the middle of the table. If you are looking for a product that looks like you made in your garage with two buddies and a Keg. YOU FOUND IT.  Wayfair, PULL THIS PRODUCT !!