CURT Industrial 3" Receiver Ball Mount 4" Drop CURT Commercial Duty Forged 2"x2" Receiver Ball Mount 2" Drop and 1" Rise  -17,000 lbs.
CURT 13"long 2"x2" Receiver Ball Mount 10" Drop 8" Rise -5,000 lbs./3,500 lbs. CURT Industrial 3" Receiver Ball Mount 8" Drop
CURT 14"extra-long 2"x2" Receiver Ball Mount 10" Drop 8" Rise -5,000 lbs./3,500 lbs. Removable Stake Pocket D-Ring - 3/8" Ring