Great for pumping muscles & building strength, the York 20kg black cast iron dumbbell spinlock set provides challenging, safe & effective workouts. With a traditional 1'' (2.5cm) standard cast plate design, the weight plates are easy to pick up & load onto the bars, whilst knurled handles ensure a firm & comfortable grip no matter how sweaty your hands get while exercising. The dumbbells have a matte black finish for enhanced durability & there are quality vinyl spinlock collars delivering a safe & secure fit on the bars. The set is suitable for targeting chest, biceps, triceps, arms & back muscles & can be used for exercises such as shrugs, front & side lateral raises, shoulder press, bicep curls, overhead tricep extensions, rows, squats, lunges, calf raises & much more. It enables you to make 2 x 10kg (22lbs) dumbbells & comprises of 2 knurled spinlock dumbbell bars, 4 spinlock collars & 12 weight plates with an embossed York logo & a weight mark for easy plate identification.