12Kg/18Kg/27Kg Adjustable Dumbbells,Dumbbell Set for Saving Place, Dumbbell Weig
★ 【1 second weight change】: With unique dumbbell design, simply turn the handle with one hand to adjust the weight of dumbbells from 2kg to 12kg in 1 second! The barb design on our adjustable dumbbells effectively solves the safety problem.