2 Boxing Speed Ball Universal 8mm Screw Replaceable Spare Sandbag with Ball Pump for Dynamic and Enduring Training Sessions?Black?

Additional Details from the Manufacturer

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More features

• 6.69 x 9.8" Length for Realistic Training: ​​ With a 22-25 cm spherical length, ensuring realistic striking feedback for hooks, jabs, and uppercuts. The optimized dimension enhances visibility and control during rapid combos.
• Suggest Manually Inflating to 85-90%: ​​ Hand-pump inflation​​ (85-90% capacity) prevents overpressure damage common with air compressors. When hitting, the ball is also more durable.
• PU Leather Surface with Reinforced Seams: ​​ Dual-layer PU leather combines knuckle-friendly softness and high rebound elasticity. Cross-stitched seams withstand high impact forces, maintaining shape through thousands of strikes while reducing surface wear.
• Universal M8 Screw Thread (8mm Diameter): ​​ Equipped with an industry-standard ​​8mm screw thread​​, the speedball seamlessly rotates into spring-loaded mounts or compatible 8mm interfaces. No tools required – simply twist clockwise until fully secured, providing instant setup for boxing targets or MMA rigs.
• ​​Compatible with most boxing equipment, it is a suitable replacement