Dumbbell Set 20KG/40KG Bumper Plate Convertible & Adjustable Set Strength Gym + Free 40cm Connector Dumbell Bumper Rubber Coated Adjustable Black+Red STBD Dumb Bell Barbell Converter Weight Lifting Fitness Exercise Muscles

24 Hour Fitness. Name: Dumbbell Set. Material: Internal cement filling, Weight: 10KG/20KG/30KG/40KG. 25mm bumper hole. Color: Red+Black. Easy to use and to adjust Helps tone the upper arm area, Helps burn off excess fat and stimulates blood circulation. Made from high quality material Environmental friendly and safe from any chemicals. Wear-resistant thick plastic material to protect the floor. 10 different combination modes to meet various exercise needs. Dumbbell mode: used for muscle training, muscle compound action training. Kettlebell mode: obvious effect on high explosive force and plasticity. Barbell mode: do muscle endurance training for the whole body muscle group and burn fat. Push-up support: exercise the muscles of upper limbs, waist and back, abdomen and chest. You can freely combine weights according to your hobbies. Foam decompression connecting rod*1+a pair of gloves+a pair of wrist guards. The handle is wrapped in rubber to avoid sports injuries. The nut will not loose