Joint Clamp Horizontal Quick Coupler Joint Clamp For Machine Operation Feature:1. Wide application: more suitable for quick fixing of metal plates or circuit boards for machine operation, soldering, tooling, installation of electronic equipment.2. Opening angle, clamping force: the opening angle of the press handle is 91°, and the opening angle of the handle is 94°. The clamping force is 636kg/1402.1lb.3. Convenient to use: This heavy-duty welding clamp is the ideal choice for heavy-duty fixtures, mounted on chucks, tool holders, or movable bases.4. Comfortable Handle: Plastic handle, easy to operate, safe and comfortable. The control lever prevents lateral thrusts during mounting.5. PREMIUM Material: The toggle clamp is made of high quality iron + plastic materials, strong and durable, anti-corrosion, durable and long life. Specification:Item Type: Switch ClampsMaterial: Iron + Plastic Weight: Approx. 1500g/52.9oz Clamping Force: 636kg/1402.1lbPressure Chuck Opening Angle: 91°Chuck Opening Angle: 94°Scope of Application: For Heavy Welding, Equipment Installation, etc. Package List:1 x Joint Clamp1 x Screw with Spacer