Erkang 3 in 1 Fitness Dumbbells, Adjustable Dumbbell Set with Connecting Rod Barbell for Home Gym, 66 LBS

3-in-1 - it can be connected by connecting rods to become a barbell, which helps to exercise and shape arms, shoulders, back, chest and legs. weight plate can also be connected with ab wheel bar and used as an abs wheel to train your core muscles.
Suitable for home fitness people- for people who cannot go out or do not want to exercise at home, this dumbbell set is best choice. 66 lbs weight board and switching mode of dumbbells, barbells and abs wheels enable you to get same exercise intensity as in gym at home.
Double lock nut- special double lock nut , there is a corresponding slot between two nuts. Prevent risk of heavy objects falling during your exercise.
High-quality material- dumbbell bars covered with rubber coating ensure a comfortable and non-slip grip. counterweight plate is made of a mixture of steel and cement and covered with an environmentally friendly ABS shell.