These highly reflective and attractive dumbbells make a BIG visual impact when put into a gym or studio environment The knurled chrome handles are ergonomically contoured to fit into every user's palm, this allows greater feel and control when lifting the weight Heads are hydraulically pressed onto the handles and carry a lifetime warranty against head detachment The handles graduate up from 28mm grip up to a 35mm grip depending upon the weight of the dumbbell 1kg dumbbells have a 28mm diameter handle, 2kg and 3kg have a 32mm handle and 4kg- 20kg have a 35mm diameter handle Club pack containing 10pairs 1kg-10kg will fit onto the York 2 sided 10 pair dumbbell rack (sold separately) 1-10kg in 1kg increments SPECIFICATION: Brand York Fitness Usage Home Use, Commercial Use Condition Brand New Warranty 12 Months