UNIVERSAL TABLE VICE: maximum jaw opening is up to 3 inch / 77.5mm, jaw width 2.75 inch / 70mm, this bench clamp fits most workbenches and types of table thickness. 0.2 inch / 5mm thickened jaws for superior grip. HIGH QUALITY CASTING: Made of high quality cast steel and chrome plated pin and nuts, this table vise provides durability long term and a sturdy grip. Note: The clamping force of the jaws is 300 kg. It is not recommended to increase the leverage, such as lengthening the length of the screw rod lever and exerting excessive pressure on the screw rod, otherwise it is easy to break the jaws . 360 DEGREE SWIVEL BASE: Throat capacity is up to 2.4 inch / 61 mm. Built in 360 degree swivel base, perfect for a wide range of clamping angles. Even if you are left-handed, you can rotate the vise into the position that suits your job. WIDE APPLICATIONS: This clamp is designed for home, workshop, professional use, a general purpose and light duty, ideal for cutting conduit, drilling, gluing, metal working, sanding or planing, sawing, etc. It can be used indoors or outdoors. EASY TO INSTALL: Oval swivel base design is convenient and quick to install or remove from kinds of workbenches. The non-slip textured surface increases the gripping force of the jaw, which firmly grips the material, saves time and effort when working. (Note: Table board up to 2.4 inch / 61 mm thick can be attached.)