40 pound Heavy Duty FirmGrip Vises from Toolway are constructed from steel and have hardened steel jaws making them extremely strong and dependable. They are designed with a 360 swivel base. They are perfect for grasping, cutting or bending small objects. 3 Slots Bolt-Bas pour la Sécurisation de Banc de Travail 360 Locking Swivel Base Forged Steel Strength Forged Spheroidal Graphite Powder Coated Surface Treatment Hardened Steel Jaws