this be a gym quality rubber coated hex dumbbell . it fit well with my weight set in my health club with other hex dumbbell . the handle be `` ergo '' but be thick at 35mm . there be some brand out there with grade handle size base on how heavy it be but this be the same size throughout . people with smaller hand will find this to be a large size . the smell be that of a new tire and be not overpower in my rubber floor room . Cap be a brand that also make home weight set and this be truly the high end of the set . it be comparable with most lower end rubber hex dumbbell but do not have the feature of higher end dumbbell from York and Hampton that have either a grade handle or higher quality urethane coating . for the price this be a good dumbbell although not better than  body solid sdrs550 5-50-pound Rubber Hex Dumbbell Set  THESE DUMBBELLS be sold individually . do not expect to get a pair .