45# Steel as its material, high frequency processing, with its chromeplate thickness of 0.05mm, high precise rubbing which makes firmer and longer using.

• 产品简介：材质为45%23钢，高频调质处理，单边镀铬层厚度达0.；05mm，高精度研磨加工，保证杆件的坚固耐用。