The product is a set of four Walberg & Auge Marching Snare Drum tension rods from the 1930s. These vintage percussion parts were made in the United States and are designed specifically for snare drums. The Walberg & Auge brand is known for producing high-quality drum accessories, making these tension rods a reliable choice for drummers looking to replace or upgrade their snare drum setup from the 1930s to 1940s.