Thoughtful service Strict product quality assurance and perfect customer service experience, there are any questions in the transaction, and we will reply to you in the first time.Dumbbell plates configuration:10KG: 1.25KG * 815KG: 2KG * 4 / 1.5KG * 420KG: 1.25KG * 4 / 1.5KG * 4 / 2KG * 4Dumbbell classification: rubber coated dumbbellsSelect by fitness effect: fitness exercisesFeatures: Free weight increase or decreaseDumbbell material: PVC + sand iron mixtureBarbell post material: high quality steel pipe + foamDumbbell rod material: PVC plastic + high quality steel pipeNut material: PVCProduct advantages: anti-fall, no damage to the floor, durableBarbell shape: round designApplicable scene: home fitness, fitness clubIdeal for Biceps Exercise Fitness Weight Training;Great for Muscle Exercise, Bone Health, Muscularity Building etc.100% satisfaction:If any problems arise, please contact us because our number one goal is customer satisfaction and we are committed to making it right for you.