Warner single-edge razor blades, package of 5 blades

Single-edge razor blades have been a staple in the hardware and construction industry since the early 20th century. These particular Warner blades are manufactured in China and represent the modern iteration of this essential tool. These blades are highly valued in the construction, painting, and DIY communities for their precision cutting capabilities and versatility. Professional contractors and home improvement enthusiasts collect these tools for their reliability in tasks such as scraping paint, cutting materials, and detailed finishing work.