UNIVERSAL BENCH VISE: The maximum jaw opening is up to 3 inches or 77.5 mm, jaw width 2.75 inches or 70 mm. This bench clamp fits most workbenches and table thicknesses. 0.2 inch or 5 mm thickened jaws provide superior grip. HIGH-QUALITY CASTING: Made of high-quality cast steel and chrome-plated pin and nuts, this bench vise provides long-lasting durability and a robust grip. Note: The clamping force of the jaws is 300 kg. It is not recommended to increase leverage, such as extending the lever length of the screw rod and exerting excessive pressure on the screw rod, otherwise, it is easy to break the jaws. 360 DEGREE ROTATABLE BASE: The neck capacity is up to 2.4 inches or 61 mm. Built-in 360-degree rotatable base, perfect for a wide range of clamping angles. Even if you are left-handed, you can rotate the vise to the position that suits your work. WIDE RANGE OF APPLICATIONS: This clamp is designed for home, workshop, professional use, general and light work, ideal for cutting pipes, drilling, gluing, metalworking, grinding or planing, sawing, etc. It can be used indoors or outdoors. EASY TO INSTALL: The oval swivel base design is convenient and quick to install or remove from various types of workbenches. The non-slip textured surface increases the jaw's gripping power, firmly gripping the material, saving time and effort when working. (Note: Table tops up to 2.4 inches or 61 mm thick can be attached.)