Key benefits Smooth, defect surface: The rod's exterior is round and smooth with no sand holes or black spots, ensuring reliable operation and a clean appearance. Consistent performance and stability: Uniform pitch with a quality raw material base keeps the tension spring tight, the texture clear, and the force evenly distributed for stable rebound. Durable and reliable: plasticity and good fatigue strength deliver uniform stress, a firmer feel, and longlasting performance with a refined surface texture. Versatile across fields: Suitable for a wide range of applications and compatible with multiple setups and systems. Specifications and features Material: quality raw materials ( quality) Surface: Round, smooth exterior; of sand holes or black spots Spring action: Tension spring maintains tightness; texture remains clear; rebound is stable Performance: Uniform stress under load; good fatigue resistance; durable and reliable Use scenarios Precision machinery and calibration setups: Ideal for equipment that requires a smooth contact surface and a tightly tensioned spring for accurate, repeatable results. Manufacturing fixtures and jigs: Provides uniform force distribution and stable rebound to enhance repeatability and consistency in production steps. DIY projects and prototyping: Suitable for hobbyist devices or prototypes that need durable, stability rods with good texture and predictable performance.