The Vintage Alvin Stainless Steel Erasing Shield 14 with Burr Free Apertures 3298 is a drafting tool designed for precision and efficiency. Made by the reputable brand Alvin, this erasing shield features 14 apertures and a stainless steel construction for durability. Perfect for collectors or those interested in vintage drafting tools, this product offers a unique and functional addition to any engineering or drafting workspace. The Alvin brand ensures quality and reliability in this important tool.