FIXTECH 66LB Adjustable Weight Dumbbell Set, Free Weights with 4 Modes, Used as Barbell, Kettlebell with Star Collars, Orange

【Versatile 4-in-1 Design】Transform your home gym with our FIXTECH Adjustable Dumbbell Set. Seamlessly switch between dumbbells, barbells, kettlebells, and push-up racks for a comprehensive, all-in-one workout solution. 【Comfortable & Safe Workouts】Our connecting rod, made from 30mm thick NBR foam and 4mm thick alloy steel pipe, offers a non-slip and sweat-absorbent grip. The ergonomic curved design fits the neck perfectly, ensuring your workouts are both comfortable and safe. 【Superior Grip & Durability】The knurled dumbbell handle is made from ABS environmental protection material, featuring a non-slip diamond-shaped texture for enhanced grip. The core of the board is a solid mixture of cement and sand, ensuring durability and longevity. 【Protective & Noise-Reducing Design】Our high-quality rubber bumper reduces noise and protects your floor. The 12-sided anti-roll design adds an extra layer of safety, while the labeled LB plates allow for easy and quick weight identification. 【Quick-Adjust & Secure】The extra-thick thread dual collar prevents weight from loosening or slipping, and the quick-adjust mechanism lets you switch between different workout modes in seconds. Compact and convenient, our dumbbell set can be stored anywhere, making it the perfect addition to your home gym.