The native format is Lightwave with copper and brass surfaces. Polygon count is for all parts shown. Included is a 1/2 in. brass sweat valve. Included are the copper sweat fittings in 3/4 in. and 1/2 in.: - 90 degree elbow - 45 degree elbow - tee - couping - end cap - cross tee - pipe strap Ratings appreciated.