Introducing the 4-Inch Gear Bar Clamp Set by POWERTEC. Are you tired of struggling with cumbersome clamps that slow down your woodworking projects? Forget about the hassle of traditional C-clamps. These gear bar clamps feature a fast-adjust mechanism and quick tension release lever, allowing you to quickly secure your workpieces with ease. 【Premium and Ergonomic】: Crafted with a robust aluminum alloy jaw and a carbon steel bar, these clamps are built to withstand the rigors of your workshop. The ergonomic design and comfortable grip trigger ensure ease of use, even during extended projects, reducing hand fatigue and maximizing productivity.【Clamp with Precision】: These woodworking clamps offer a dual function, allowing you to both clamp workpieces together and spread them apart with equal ease. The reversible stationary and sliding jaws provide added flexibility for various applications.【Clamping Power】: With a maximum clamping force of 440lbs and a throat depth of 3-1/2", these clamps securely hold your workpieces in place, ensuring precise alignment and preventing unwanted movement during your woodworking tasks.【Adaptable to Your Projects】: The sliding jaw tilts up to 120 degrees, allowing for clamping on round edges and irregular shapes - while the non-marring pads protect your materials from damage.