Package: One Ceiling Hook, One Duty Hanger, One Swivel, 2 stainless screws. <br> <br>ensure safety and stabillty:Made of high-grade stainless steel 304,corrosion resistance and durable .Fully support up to 800lbs. <br> <br>Easy installation:Include one heavy bag hanger,a pair of bolts for wood beam,a spare carabiner.Just drill the holes and screw our bolts you will finish the installation in 5 minutes. <br> <br>Univesal design:Great for all size kick Boxing ,Muay Thai Bag, swing set, a porch swing, or any other swinging device for a playground swing set. <br> <br>Snap swivels allows 360 degree rotation without any tangling or twisting<br>