ZKC IWF Weightlifting Training Bar has 8 bearings, the bar is made of high-end spring steel. The difference from Competition Bar is its precision and steel performance. It is used by professional weightlifting teams in the world, especially by Team China.
The ZKC Weightlifting Training Bar has a shaft diameter tolerance of +/-0.1mm. The sleeves diameter can have a tolerance of 0.04mm. The bar length has a tolerance of +/-2mm, and the weight +40g/-20g.