- 30kg (66lbs) Dumbbell set - Bar is plastic with a steel core - Non-slip grip (grooved) 14.5cm wide - Spinlock collars to ensure weights remain securely on the bar - Grips on the bar have a non-slip webbed finish - Weights are covered with a durable, floor-friendly, plastic covering - Dumbbell Bars: 0.5kg/bar (1.1lbs) 45cm Long( (Ø 2.5 cm) - Spinlock collars: fitting bar with Ø 2.5 cm - Synthetic Bar Weights: 4x 1.0 Kg ~2.2lbs (15.5cm x 2.8cm Thick) 4x 1.25 Kg ~2.8lbs (17cm x 3cm Thick) 8x 2.50 Kg ~5.5lbs (21cm x 4cm Thick)