4-in-1 adjustable weight set for home gym training—converts to dumbbells, barbell, kettlebell and push-up stands for full-body strength workouts. Quick-change system with connectors and secure double-lock buckles/safety-lock nuts for fast, tool-free switching and stable plates during lifts and swings. Choose Your Weight Set: Available in 66 lbs, or 88 lbs to match your fitness goals and training style. Floor-friendly, low-noise plates with thick PP/PE protective shells (iron-sand + cement fill) to help protect hardwood, tile and apartment floors from impact. Comfort & grip: textured non-slip ABS handles and foam shoulder pad for barbell mode to reduce pressure on shoulders/neck—ideal for beginners to intermediate lifters.