The Square Keystock 1/2″ X 3/8″ x 12″ carbon steel is a high-quality metal product produced by Mak-A-Key. Made of durable carbon steel, this key stock is perfect for various industrial and manufacturing applications. The 12-inch length makes it versatile for various projects, and its stainless steel construction ensures long-lasting performance. This product is ideal for those in need of precision-cut metal stock for their business or industrial needs.