Rod exterior is round and smooth with no sand holes or black spots, ensuring reliable operation and a clean appearance. Uniform pitch and tuned spring action: Made from quality raw materials with quality The tension spring is tight Texture is clear Force is evenly distributed Rebound is stable for consistent performance stretchability and durability: plasticity and good fatigue strength Uniform stress for a firmer, more reliable structure No sand holes or black spots on the surface Exquisite details and a refined texture Key attributes: raw materials for dependable performance Defect exterior surface supports smooth interaction with housings and components Stable rebound and even force distribution under dynamic conditions Applications: Clamping fixtures and linear guides in automation requiring precise spring action and smooth rod surface Precision actuators and sliding assemblies where stable rebound and uniform force are essential Replacement parts in equipment that demand a defect exterior to reduce wear and improve longevity