The Dietzgen Commander Drafting Tools Set includes a variety of tools such as compasses and dividers, making it a comprehensive set for engineers and drafters. The blue velvet case adds a touch of elegance and protection for the tools, making it a valuable collector's item for those interested in vintage drafting tools. The Dietzgen brand is known for producing high-quality drafting tools, making this set a reliable and practical choice for professionals or enthusiasts in the field of engineering and drafting.