product name: rubber coated hex dumbbell

Weight: 2.5kg-50kg/piece(5LB-100LB/piece), 2.5kg increment for each, 5LB increment for each.

Material: 45# steel and galvanized surface treatment process, the heads are the natural black rubber, then desulfuration process, no smell, more environmentally friendly.

Handle diameter: 29-33mm, and cambered handle

Handle length: 130mm-140mm

Surface lines on the two heads: Frosting surface.

Application: Indoor, gym, bodybuilding fitness, weighting lift, sport club, home gym.