STRONG HAND UD45-C3 4-In-1 Utility Clamps, Capacity 4-1/2"

The 4-in-1 F-Clamps are the most versatile Sliding Arm Clamps in the market. All Strong Hand Tools F-Clamps are made of high-quality heat-treated steel and nickel/chrome plated for strength and durability. Light Duty: Clamping Pressure: 500 lb Throat Depth: 3-1/4″ Clamping Capacity: 4-1/2 ~ 6-1/2″ Equipped with Standard Pad Come with 4-in-1 Accessory Kit The three-piece 4-in-1 Clamp Kit includes: Sliding Arm Clamp Extender Block V-Pad * Do not use with impact wrenches. U.S. PAT. 7114714