1/2" thick x 3" tall with flat back. Scalloped portion is 1/4" thick. Available in 48" length (shorter section is illustrated). Pattern repeats perfectly when 2 pieces are butted together, or you can trim to fit.
Click photo above to see a detailed drawing of the various mouldings in the photo. Moulding Photo 9 also shows Moulded Scalloped Running Trim in use.