WORKPRO Professional Clamps for Woodwork Heavy Duty, 4-Pack 150mm(6-Inch) & 300mm(12-Inch) F Wood Clamps Quick-Release, Ideal for Woodworker Metalworker Carpenters Hobbyist by Amazon.co.uk

• \u3010Firmly Fixed & High Clamping Force\u3011Double-sided non-slip grooves, under the combined action of the groove and the button, the bar clamp can be accurately fixed in position after each adjustment of the distance, which can prevent slippage during work, improve your work efficiency. Our heavy-duty clamps with high clamping force (272KG/600LBS), suitable for various clamping needs.

• \u3010Quick Adjustment Design\u3011Quick Release & Smoothly Adjust -- Press the button to easily change the clamping distance up or down. Double-thickness Button -- more firm, ensuring that it will not break during use. Large Contact Surface with the fingers -- reduces the pressure on the fingers and increases the comfort.

• \u3010Durable Thickened Material\u3011The clamps are made of high-quality malleable iron, NICKEL-PLATED SURFACE & THICKENED STEEL BARS, which improve the clamp's corrosion resistance and wear resistance of the clamp and prolong its working life. Soft jaw pads offer will not scratch or mar workpiece surfaces.

• \u3010Perfect for Heavy Work\u3011These clamps heavy duty are suitable for heavy-duty clamping jobs and a wide range of woodworking, cabinetry, metalworking, and other DIY projects. Ideal for woodworkers, metalworkers, carpenters, hobbyists, and professional people.

• \u3010BASIC PARAMETER\u3011Package includes: 2*150mm(6-Inch) clamps + 2*300mm(12-Inch) clamps. Throat Depth: 3-1/8 inch(80mm) from bar top of pad; Clamping Power: 272KG(600LBS); Max Jaw Capacity: 6\u201d/12\u201d. Product Net weight: 2x0.6kg + 2x0.74kg= 2.68kg