Size: 8 x 6 inch- 20 Pack Fits 8 Inches Large Board 20 Pack 8" L x 6" H open shelf brackets will fit lumber boards 8 inches deep or above. DIY Shelving Brackets You can match all kinds of boards with these l shelf brackets to style your wall shelves in your workshop, kitchen, garage, laundry room and turn your shelving system into industrial farmhouse rustic looks. shelf brackets will fit lumber boards 12 inches deep or above. Holds More Weight Pack of 20 shelf brackets for you to add more brackets to holds more weight easily. These heavy duty metal shelf brackets can hold up to 60 lbs per pair (2 Pcs). Screws Included The floating shelf brackets set comes with screws for wall and board. You can easily install these brackets for wood shelves in a short time. You will get 20 Pcs x Wall Shelf brackets 10 inches, screws needed.