Introducing the 8-Inch Gear Bar Clamps by POWERTEC. These quick grip clamps are perfect for almost any application that requires a secure clamping tool. They are designed with a heavy-duty ratcheting handle and equally sturdy construction that keeps your work stock firmly in place without compromise. Made with a combination of thick die cast aluminum and heavy gauge steel, this clamping tool is highly durable and capable of providing an optimal vice level hold for many of your small projects. 【Features】 Quick Release Lever Clamping Force: 600 lbs. Opening Clamp Jaw Capacity: 8-7/8 in. 【Rapid Action Clamping】 Whether you're a professional or DIY enthusiast, you'll find the quick release action provides you with continuous workflow capability for many of your woodworking, cabinetry installations, and many other general purpose needs. 【Premium Design】 ✔The clamps have adjustable jaws that open to 8-7/8 in. and are engineered with an impressive clamping capacity to handle projects of all sizes. ✔It has a 3 in. throat depth from the bar to centerline of the tightening screw. ✔The fixed jaw possesses a non-marring protective pad to prevent your work material from damage. ✔The adjustable jaw slides seamlessly along the bar and clamps by pushing against the top of the bar.