2-in-1 function: with our dumbbell set you strengthen arms, shoulders, chest, stomach, back and legs. Thanks to the 400 mm connector, you can convert your dumbbell into a barbell in just a few seconds.
Safety is our top priority: 4 spin-lock collars securely hold the dumbbell plates in place. External indentations prevent the dumbbells from rolling away.
High quality and comfortable: the 1.5 cm thick foam padding of the connecting tube ensures optimal grip even during the toughest dumbbell workout and allows for a comfortable workout.
Everything is included in the dumbbell 
set: 4 x 2.5 kg, 4 x 2.0 kg, 4 x 1.5 kg, 4 x 1.25 kg, 2 x dumbbell bars (metal), 4 x double locks, 1 x connecting tube (400 mm).
 
For beginners and professional athletes: our weight plates are filled with cement sand and covered with floor-friendly plastic. Whether bench press, squats, competitive athletes, for home or fitness enthusiasts - the  dumbbell set allows for an optimal workout.
 
 2-in-1 Dumbbell Set 15 - 30 kg | Dumbbell Set Adjustable for Training | Dumbbells & Barbells | Spinlock Collars & Connecting Tube
Dumbbell training is one of the most efficient strength sports and is suitable for strengthening your health and fitness. Regardless of whether you use barbell or dumbbell exercises, training with these free weights leads to improved intermuscular coordination, i.e. the optimised collaboration of your muscles.
Thanks to these training stimulations, the small muscles also grow with you and thus help you increase your performance during sports and in everyday life while reducing your susceptibility to injury. With the 400 mm connecting tube, you can easily convert your dumbbell into a barbell and benefit from the space-saving solution for your effective strength training at home Ideal for beginners and competitive athletes
Product advantages:
2 x dumbbell bars (made of metal), 4 x double locks, 1 x connecting tube, discs with floor-friendly plastic shelling, connecting tube with 1.5 cm thick foam, dumbbell bar made of iron and plastic, weights made of PVC filled with cement, double closure ensures a secure hold of the weights, ergonomic design. designColor: Red, black

Product advantages:
2 x dumbbell bars (made of metal), 4 x double locks, 1 x connecting tube, discs with floor-friendly plastic shelling, connecting tube with 1.5 cm thick foam, dumbbell bar made of iron and plastic, weights made of PVC filled with cement, double closure ensures a secure hold of the weights, ergonomic design. designColor: Red, black
Weights details:
15 kg:
4 x 1.50 kg, 4 x 2.00 kg
20 kg:
4 x 1.25 kg, 4 x 1.50 kg, 4 x 2.00 kg
30 kg:
4 x 2.5 kg, 4 x 2.0 kg, 4 x 1.5 kg, 4 x 1.25 kg