Specification: -Advanced Technology. Standard 45# Steel Material, Through Normalizing, Quenching and Tempering, High Frequency, Electroplating Multiple Heat Treatment Processes, to Ensure the Service Life of the Fixture. -Galvanizing Process. the Overall Surface Is Galvanized, Which Can Effectively Prevent Rust and Corrosion and Increase the Life of the Product. -Forging Process. Forging Blanks, High-frequency Quenching, Large Clamping Force, Anti-wear, and Tightening. -Ergonomic Design. Strictly Control Every Process, Strict Quality Inspection, Good Hand Feeling, Good Toughness, Fine Surface Treatment, in Line with Ergonomic Principles. .