Classic round-head dumbbells, with a larger diameter that allows for more design and customization, and the surface of the ball head can be customized with patterns and colors.
1. High-quality polyurethane material
2. Special treatment alloy steel handle
3. 24-hour salt spray test
4. Core solid 45# steel, handle 40cr alloy steel
5. 12mm thick polyurethane layer
6. Customized knurling depth
7. Tolerance: ±1-3%
Weight increment:2-60KG/2.5-60KG
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