The York Fitness 20kg Black Cast Iron Dumbbell Spinlock Set features 1" standard cast iron plates, 1" standard steel dumbbell bars and a pair of plastic collars. Adding the York Fitness 20kg Cast Iron Dumbbell Set to your fitness program is perfect for toning and strengthening your upper and lower body. Strength training is an extremely effective way to reduce body fat, increase lean muscle mass and burn calories. The dumbbell workout guide included will help you target a wide range of muscle groups such as the chest, triceps, biceps, back and legs. **Specification** - Manufactured from quality chromed steel -Range of 12 individual York Fitness weight plates from 0.5 to 2.5kg - Easy to adjust the workout resistance by adding or reducing weight plates - 4 high density plastic spinlocks prevent the plates rattling and provide secure workout - The plastic grip in the centre of each spinlock dumbbell bar ensures a secure and comfortable grip on each workout - The high grip pattern of the middle grip knurling is designed to prevent the hand slipping when performing repeated dumbbell sets