Panasonic Cosmo Series Wide 21 WT3700020 mounting frames. This is a set of 38 pieces. 20 pieces x 2 boxes, with 2 pieces used. Brand new, unused. Found during warehouse cleanup. Selling because they are not needed. *Please understand that these items have been stored in a warehouse. Although unused, they have been stored for a long time, so the boxes are slightly dirty. They will be shipped without the boxes. Thank you.