Material: Made of plastic and aluminum alloy, sturdy and durable.. Size: 4 inch, clamping force is 30kg, max clamping distance can reach 3cm -10cm, come with a total of 4 to meet professional needs.. Quick Clamp Fixing Tool: This F clamp set can quickly and accurately fix the workpieces to make woodworking easier and more convenient.. Easy to use: Trigger design provides simple one-handed operation, sliding arm and keeps wood in place. Widely used in furniture manufacturing and packaging industry.. Applicable: Suitable for lay-in or clamping parts for welding, gluing or woodworking projects, is the ideal accessory for DIY toolbox and woodworking, metal processing, modeling, etc. Product DescriptionFeatures:< br> This set of F clamps quickly and accurately clamps workpieces to make woodworking easier and more convenient. Quick release woodworking clamps with plastic jaws will not deform or scratch the workpiece, and the handle has a pressure trigger can easily clamp the clamp.Easy-to-reverse jaws turn the clamp into a spreading clamp or a stretching tool, make workpieces easier and more efficient Suit for woodworking and a variety of small craft projects.S Specifications: