Made of corrosionresistant and rustproof cast malleable steel for strength. Widely used by welders and construction workers; suitable for general clamping needs and used in assembly, fastening, bonding and welding in metal processing and automotive applications. Practical design: heavyduty cast malleable steel frame with an Idesign provides strong, reliable support; the clamp is designed to prevent deformation of the clamped object. Easy to install: the aperture is an M6 threaded hole; with an adjustable positioning screw, it can easily clip to any desktop. Use scenarios: In metal fabrication or welding work to hold workpieces steady during assembly and welding. In automotive to clamp panels or components during bonding, fastening, or alignment work. In general workshop tasks to secure parts for drilling, fastening, or finishing operations.