đȘăAdjustable Weights Set of TwoăThe 66lbs/30kg adjustable weights dumbbells set of two is 33lbs/15kg for each one. Incluses: 16 plates - 1.25kg*4 + 1.5kg*4 + 2kg*4 + 2.5kg*4, four sets of safety stable locks, two 22 inch main road, and one 19 inch connecting rod. đȘăAdjustable Weights Set of TwoăThe 88lbs/40kg adjustable weights dumbbells set of two is 44lbs/20kg for each one. Incluses: 16 plates - 1.25kg*4 + 2.5kg*4 + 3kg*8, four sets of safety stable locks, two 22 inch main road, and one 19 inch connecting rod. đȘăGreat for strength trainingă This adjustable dumbbell is suitable for a variety of strength workouts including chest presses, triceps overheads, biceps curls, back dumbbell row and leg squats. Perfect for a variety of fitness classes and home workout routines. đȘăEasy to Storage & Assembleă Easy to assemble, use and store. Adjustable dumbbells eliminate the need for multiple sets of dumbbells in your home gym. The connecting rod can connect the dumbbells into a full size Barbell. đȘăQuality materialsă Includes ergonomic, non-slip grips to ensure a safer, more comfortable workout. Iron grit mixture for plates; surface covered with PE material; hollow steel for the main bar; durable and rust resistant. đȘăHigh securityăSafety locks create double insurance for professional body workouts. Spin locks allow you to quickly add or remove weight plates and storage. Connector bar includes foam protection to help prevent blistering in the palm of your hand for extra comfort.