Features: 1.Mounting vise on the workbench, then you could do the work of grinding, cutting, and etc. Tapping work can also be done on the anvil of bench vise. 2.Our multi purpose swivel base bench vise is great for clamping and fixing workpiece. This product has higher clamping force, longer opening, bigger anvil, and deeper throat depth. 3.The base can be fixed, the base is triangular and stable, and only 3 screws are needed to fix it. The chassis lock wrench setting can effectively fix the chassis. 4.The jaws are designed with micro‑tooth grooves, which have better grip, and hold the workpiece more firmly, avoiding slipping. 5.Durable 360 degree swivel base has lugs for easy mounting on a machine table. Microgroove tooth space for better grip; 360 degree swivel base providing unlimited clamping space. 6.Heavy bench clamp has a flat portion that acts as an anvil and additional work surface. The hardened steel jaws can be replaced when worn, and the built‑in cast iron pipe jaws are grooved for enhanced grip. 7.Two lockdown bolts are furnished to ensure stability. The jaws draw closer together or farther apart by turning the vise handle clockwise or counterclockwise. Specifications: Model: 4 Inch Vice Jaw Width: Approx. 100mm / 3.9in Jaw Depth: Approx. 50mm / 2in Jaw Opening: Approx. 110mm / 4.3in Worktable Size: Approx. 60 x 60mm / 2.4 x 2.4in Mounting Hole Distance: Approx. 130 x 90 x 90mm / 5.1 x 3.5 x 3.5in Package Included: 1 x Jaw Bench Vice .