IRWIN Tools Record Parallel Jaw Box Clamp, 48-inch (2026501) This 48" Parallel Jaw clamp features deep 3-3/4" jaw depth for optimized pressure distribution Secure locking system prevents jaws from slipping ProTouch handle for an ergonomic grip Precise 90-degree angle. Delivers powerful clamping force up to 1, 150 pounds. Deep 3-34 inch jaw depth for optimized pressure distribution. Secure locking system prevents jaws from slipping. For carpentry and woodworking. Resin body and jaws prevents marring and resists glue adhesion. ProTouch handle for an ergonomic grip.