"The Yost Apprentice Utility Bench Vise is designed for general clamping applications. Built-in pipe jaws allow this vise to securely clamp pipes and other circular stock. The Apprentice is made of sturdy 30,000 PSI cast iron with a blue powder-coat finish to help keep this vise looking professional for years to come. Pipe Jaw Yes, Jaw Capacity in. 5, Replaceable Jaw Yes, Double Lock-Downs Single, 360 Swivel Base 180 swivel base, Jaw Width in. 5 1/2, Jaw Depth in. 3 1/4. Rugged 30,000 PSI cast gray iron with steel U channel bar provides strength and longevity 180 swivel base with one lockdown Replaceable hardened steel serrated top jaws grip parts securely, ensuring that your part will not slip Permanent serrated pipe jaws securely clamp pipes and circular stock Large 2in. pipe jaw capacity Large anvil provides perfect work surface for projects No-pinch main screw handle"