Dimension: 13.39"D*7.87"W*5.91"H Adjustment Range: 5.5–27.5 lbs (2.5–12.5 kg) Weight Increments: 5.5 lbs (2.5 kg) per adjustment Weight on both sides can be adjusted independently Material: Iron Plates for Durability Adjust the weight on both sides simultaneously in just 3 seconds with a simple slide of the pin, thanks to upgraded Glide Tech.