Fiber Wedge Clamp Nonmetallic in Mexico Fiber wedge clamps nonmetallic offer numerous advantages over traditional metallic clamps. Firstly, they provide excellent resistance to corrosion, a crucial factor in Mexico's diverse climate. The high humidity and saltwater exposure in coastal regions can significantly impact the durability of metallic clamps. Nonmetallic clamps are not susceptible to corrosion, ensuring long-term reliability.