Clamps are fastening devices used to hold objects tightly in place. Metal clamps (made from materials like stainless steel or aluminum) are strong and suitable for heavy-duty applications, such as construction, plumbing, and industrial use. Non-metal clamps (typically made from plastic or nylon) are lightweight, corrosion-resistant, and ideal for cable management, electrical work, and automotive applications. Both types offer reliable fastening solutions depending on the environment and load requirements.