TEKTON 3960 Locking Chain Clamp
Creates a Non-Slip, Locking Grip on Round or Irregular Shapes, Hardened Carbon Steel Handles , Corrosion-Resistant Chrome Plated Finish, Knurled Thumbscrew Sets Jaw Capacity, One-Touch Quick Release, Specifications:, 5-1/2-Inch Diameter Maximum Capacity, 9-Inch Handle Length.