Time Saver: This lift jack allows you to easily change dumbbell plates, save time, focus on your repetition and make your workout more efficient. Multi-Function: Perfect as a dumbbell accessory for lifted off the ground. Can be used as dumbbell weight plates, save your place, protect your floor from scratches and be a skilled muffler specially when doing home gym.Portable, lightweight and durable: Made from high quality silicone , convenient and non-toxic, easy to fit in your gym bag. Unique design, non-slip surface and angled ramp to keep the bar stable and stay where it should be. Safety first: prevent your back from hurting, no need to balance the bar while adding or removing plates. Easy To Use: No other tools required and required, easy to install and remove. Focus on each workout set and make your exercise more effective.