General description These 2pcs Adjustable G-Shaped Clamps are designed for woodworking and other applications requiring strong and reliable fixing. Made from a combination of aluminum and carbon steel, these clamps are ideal for securing wood, plastic, and various workpieces during cutting and drilling, allowing you to work hands-free. Technical specifications Maximum opening: 143mm Diameter of clamping piece: 39mm Material: Aluminum + Carbon Steel Color: Black Measurement allowed error: +/- 1-3cm Package Contents 2x adjustable G-type woodworking clamps