This set of 5 pairs of DKN Rubber Hex dumbbells, weighing 10kg, 15kg, 20kg, 25kg & 30kg, is ideal for increasing your strength, for use in a domestic or light commercial environment. The dumbbells are solid & durable, & have an anti-roll hexagonal design. The solid steel handles have been ergonomically designed & are knurled to improve grip. The iron heads have been coated in high-grade rubber to protect them & reduce floor damage & noise.