Aoneky Heavy Duty Punching Bag Spring - 300lb Capacity All-Steel Construction with Vibration Absorption, Top/Bottom Mount for 75-300lbs Boxing Bags (Safety Locked Ends)​

["300 lb Capacity​ – ​Industrial-strength steel construction​ holds punching bags securely without bending or warping","Vibration Absorption​ – ​High-tension coils​ reduce up to ​70% of impact shock, keeping your bracket stable with every punch","Safety-Locked Ends​ – ​Fully enclosed steel design​ prevents dangerous detachment—no more \"popping out\" mid-workout","​Dual Mounting Options​ – Install ​from the top (ceiling mount) or between the bag and chain​ for flexible setup","Optimized for 75-300 lbs Bags​ – ​No excessive stretching​ with proper weight—ideal for serious boxers and MMA fighters"]