Luwint Professional Heavy Bag Spring 300 lbs Capacity - 5 Inch Shock Absorbing Spring for Punching Bag, Boxing Gym, Hanging Chair, Porch & Patio

["5-INCH SPRING DESIGN - Compact 5.1”L x 2”W size provides optimal shock absorption in a manageable footprint, perfect for various mounting configurations without excessive space","BUILT TO LAST - Made from heavy duty 6mm thick steel, this metal spring effectively absorbs shock and drastically reduces vibration and noise from heavy bags, protecting your wall and ceiling mounts from stress","HEAVY 300 LBS CAPACITY - With a robust 300 lbs weight capacity, this spring is ideal for intense boxing, MMA, and gym training sessions with heavy punching bags and sandbags","EASY TO USE - Integrated 22mm spring loops compatible with common hanging hardware, chains, carabiners for a quick, no-clutter setup right out of package","VERSATILE INDOOR/OUTDOOR USE - Practical hanging solution for multiple applications, cushions and stable movement for punching bags, heavy training sandbags, swings, sling trainers, or even a porch chair"]