This five piece set includes the classic tools for a draftsman or architect. The painted cast metal set is made in the USA by Island Crafts & Miniatures and includes a protractor, compass, triangle, curve, T-square, scale ruler, and a floor plan in progress. One-inch scale dollhouse miniature. The yelow scale ruler is about 1-1/16" long for visual scale purposes. The t-square and triangle are permanenly affixed to the drawing board.