Toledo Plywood carries 2 x 4 & 2 x 6 dimensional lumber.  Our 2 x 4’s are either 8 ft. long or 10 ft. long.  The 2 x 6’s we stock are 8 ft. in length.  These days, the true measurement of 2 x 4 is about 1.5 inches x 3.5 inches, while the 2 x 6 measures 1.5 inches x 5.5 inches.