Grant Iron Corbel 2-Inch Wide Color:Old World and man-made solid surface tops

and man-made solid surface tops may require less support

So you would need 3 more brackets for the space left giving you a total of 6 brackets for this project

5" (For benches up to 19" deep)

Size & Quantity Video Guide | Learn How Many & What Size Brackets are needed for your countertop

Grant Iron Corbel 2-Inch Wide Color:Old World and man-made solid surface topsGrant Corbel offers clean lines and a picture perfect design to enhance your mantle or countertop support. The L Bracket is made from thick 1 4 inch steel with holes for mounting the bracket to any surface 2 holes are in the top part of this bracket, their use is optional if the application needs them (shelving, mantels, etc) Specifications Dimensions: L bracket is 1 4 inch thick by 2" wide. Size Options: (depth x height) 7. 5 x 10 10 x 12 12" x 15"