Product description Description: 1. Free weight hand dumbbell exercises to increase strength. When doing muscle exercises, you can use dumbbells to improve muscle endurance, strength and endurance, and reduce weight, and repeat it many times in each exercise. 2. Dumbbells weights set sponge design of the connecting rod can effectively relieve muscle tension. The handle surface has a non-slip texture to enhance friction. By connecting the bars, you can easily turn 2 dumbbells into 1 barbell. The kettlebell base with push-up handle makes it easy to convert the kit into various combinations. Specification: Product size: Weight plate diameter 20cm; connector 40cm; dumbbell bar 40cm Product material: PE (the barbell is made of pe material, and filled with cement) Type: Adjustable Dumbbells Weights set Package includes: 1 x 20kg Dumbbells barbell set including following parts: 4 x 2kg weight plate 4 x 1.5kg weight plate 4 x 1.25kg weight plate 4 x rotating collar 2 x dumbbell bar 1 x Rod joint clamp