... . 3.OEM service required 1,Helps improve muscle tone and core strength.2,Various weight to satisfy different needs.3,Different ... styles available based on molds used.4,Colors per customers requirements.5,OEM Service Offered.6,Size ... .5,1,1.5,2,2.5,3,4,5kg 1,2,3,4,5,6,7,8,9,10,12,15 ... ,20lb straight handle:0.5,1,1.5,2,3,4,5,6,7,8,9,10kg High Quality Dumbbell