ACTON BELMONT CAMBRIDGE Tenon & Mortise 2 ½" rails ¼" flat panel Tenon & Mortise 3" rails ¼" flat panel Tenon & Mortise 2 ½" rails ¼" flat panel PLYMOUTH QUINCY SALEM Tenon & Mortise 3 3/8" rails 5/8" raised panel Tenon & mortise 3 3/8" rails ¼" flat panel Tenon & Mortise 2 ½ rails 5/8" raised panel