Durable Steel Construction: Made from tool steel, ensuring longevity and reliability in all your detailed tasks. Convenient Wing Nut Operation: The jaws are easily adjusted with a large wing nut, allowing you to quickly secure your workpieces. Hollow Handle Design: The hollow handle is perfect for accommodating long wires, making this tool ideal for jewelers and metalsmiths working with wire or other elongated materials. Precision Jaws: The jaws measure approximately 7/16" (11 mm) wide and can open to accommodate materials up to 1.5 mm thick. Compact Size: With an overall length of approximately 5 1/4" (133 mm), this hand vise is compact yet powerful, making it easy to handle and perfect for detailed work., Manufacturer: Buyohlic