Ultra-Durable Hardened Steel Ball
Crafted from high-grade carbon steel with precision polishing for a flawless smooth surface. Ideal for hand therapy, stress relief, and industrial strength testing due to its 500g weight and 50mm diameter.
Ergonomic Hand Training Tool
Enhances grip strength and dexterity for athletes, musicians, and rehab patients. Non-slip matte finish ensures secure handling during intense workouts or precision tasks.
Multi-Surface Performance
Designed for silent rolling on hardwood, concrete, and gym floors. Heat-treated core resists dents and corrosion for outdoor/indoor use in garages, studios, or construction sites.
Industrial-Grade Polish
Mirror-like chrome plating prevents rust while maintaining consistent balance for scientific experiments, bartending tricks, or workshop leveling applications.
Wholesale Optimized Packaging
Shockproof foam inserts in bulk cartons (100pcs/box) minimize shipping damage. Custom logo engraving available for fitness brands or corporate gifts.