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  "specs": {
    "Weight": "30 kg",
    "Material": "Rubber and metal",
    "Color": "Black and silver",
    "Dumbbell style": "Fixed",
    "Weight adjustability": "Fixed",
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    "Vulcanized rubber encased heads: Increases longevity and reduces noise for long-lasting use",
    "Hexagonal shape: Prevents rolling for safer workouts in any space",
    "Chrome plated knurled handles: Ensures a secure and comfortable grip during lifts",
    "Embossed weight markings: Allows quick and easy identification of dumbbell weight",
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  "description": "BLK BOX Rubber Hex Dumbbells are cast iron dumbbells with vulcanised rubber-encased hex heads and chrome-plated knurled handles, for strength and muscle building in home gyms, functional training spaces and commercial facilities. They are sold individually (one dumbbell per purchase) from 2.5 kg to 60 kg in 2.5 kg increments; the hex shape stops them rolling and the rubber reduces noise and protects flooring.\nKEY SPECIFICATIONS\nBrand: BLK BOX\nProduct type: Rubber hex dumbbell (sold individually)\nWeights available: 2.5–60 kg (approx. 5.5–132.3 lb) in 2.5 kg increments\nSKUs: 16-0509 (2.5 kg) to 16-0520 (30 kg); 16-0569 (32.5 kg) to 16-0580 (60 kg)\nMaterial: cast iron core, vulcanised rubber heads, chrome-plated knurled handles\nHandle diameter: 25 mm (2.5–12.5 kg); 35 mm (15–60 kg)\nWeight markings: embossed\nShape: hexagonal, anti-roll\nSold: individually (one dumbbell per purchase)\nNote: arrives coated in a protective lubricant; wipe down before use to prevent floor markings\nUSE AND TRAINING\nExercises: presses, rows, curls, lunges, squats, carries and floor-based exercises\nTraining types: strength training, muscle building, functional training\nSETTINGS AND SPACE\nBest suited for: home g",
  "researched_at": "2026-11-08T07:46:02.849+00:00",
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