Properties : Heavy duty steel construction. Interchangeable jaw surfaces made of hardened tool steel. The robust 360-degree rotating base has bolt eyelets for easy mounting on a machine table. Two large anvil work surfaces. Two locking bolts ensure stability. Specifications : Model: 4 inch Vice Jaw width: approx. 80 mm Jaw opening: approx. 100 mm Cheek height: 50g Delivery content : 1x Yes Bench Vice