• 🥊EASY TO INSTALL: Includes 2 hexagon wood screws and 2 expansion screws. There are two holes in the base of the swing hanger, use screws to fix the wooden beams through the holes. It is recommended that you pre-drill two holes in the wooden beam during installation, so that it is easier to tighten the screws. A unique one piece design and can be installed in minutes.
• 🥊USE: Perfect for boxing, MMA, Muay Thai or any of your favorite contact sports heavy bag training up to 350 LB. Strong chain for your most intense cardio and strength building training sessions.
• 🥊INDOOR&OUTDOOR: Corrosion Resistance, High Hardness. Made of high quality raw materials. No rust, corrosion resistance, high hardness, non-toxic and pollution-free environment. Suitable for any scene.
• 🥊COMFORT: Springs create a uniform suspension and smooth movement for your boxing bag. Spring can hold up to 350lbs.