General description The 6Pcs 4 Inch F Clamps Spacer Set is designed for quick and easy tightening in woodworking and door handling tasks. These clamps feature a comfortable handle with a pressure release for effortless operation, allowing users to slide the arm to the desired length with a simple press of a button. The sturdy construction supports additional stress while reducing bending and flexing, ensuring superior durability. Technical specifications Maximum clamping distance: 10 cm Usage Ideal for assembling, disassembling, and repairing panels, wood products, furniture, and other workpieces. One-handed clamp can be converted into an unfolding function for versatile use. Other information The detachable red protective pad has an anti-slip function, protecting the surface of the workpiece while improving clamping force.