The product is a set of three vintage Jorgensen 104 heavy cast machinist C-clamps, made in the USA. The largest clamp has a 4-inch jaw size and is crafted from forged steel. The smaller clamps are also made of steel and fit the larger one for a secure grip. These high-quality, durable clamps are perfect for various workshop and home improvement projects requiring a strong and reliable clamping tool. Made by a reputable brand in the United States, these C-clamps are a valuable addition to any tool collection.