Adjustable Weight Dumbbell Free Weights with 4 Modes Used as Barbell Kettlebell with Star Collars

【3-in-1 Multifunctional Weights Set】Buy just 1 set and access multiple: the dumbbell, barbell, and kettle! Enjoy killer compound exercises to get you lean fast with the Dumbbell Mode. Build full-body muscular endurance with the Barbell Mode. And increase your explosive power with the Kettlebell Mode. Accessories of all 3 modes only take up 2FT². Your home gym dream is just a Lusper dumbbell sets away! 【Double Collars for Added Security】Extra thick double collars firmly secure the weights from loosening or sliding off when you are enthusiastically using the dumbbells or barbell. A lightning-fast adjustment mechanism allows you to switch between different exercise modes without breaking your flow and losing your focus. 【Extremely Robust & Durable Plates】The core of the plate is a solid mixture of cement and sand, which guarantees 0 leaking. The superior rubber can withstand being dropped from a height of 2 meters without any damage. The bumper plate is less noisy and protects the floor better than traditional iron plates. The anti-roll 12-sided design leaves your mind at peace with added safety during training.