Adjustable Dumbbells Set-25lb/40lb/55lb/60lb, Anti-Slip Metal Fast Adjust Weight Handle, Exercise & Fitness for Full Body Workout - Adjustable Dumbbell Series

1 Second Weight Adjustment - With 's exclusive weight adjustment design, just turn the handle with one hand to adjust the weight of the dumbbells from 5lb to 25lb in 1 second! Enjoy more convenient adjustment experience and get better training efficiency. Safety Weight Dial System - The newly designed weight dial system holds the dumbbell plates firmly on the handle through 8 locking grooves ensuring the dumbbell set is firm and stable. This set up makes it stable and quiet during the movement which brings a new daily workout experience. High Quality and New Technology - Weight plates are made entirely of silicon steel with an ergonomic anti-slip handle of aluminum alloy. It is combined with a clicking sound when adjusting weight making dumbbells more stable, reliable, and safer during use.