4 x drop ball mount. ■ 50 mm Square or/2 in square, attach it to the receiver. ■ Image in before ordering. Sizes are ■ Brass Coupler made of aluminum ■ Maximum load 800lbs (about 363kg) ■ Maximum towing capacity 8000lbs (about 3629kg), generated by body detail one-piece. Rather than each part of the welded reinforced aluminum feature a [weight] [Heavy Duty] you will find essential as an while pumping, the ball mount.