Reese Towpower Step Bumper Receiver accepts 2 inch x 2 inch standard mount bars. Receiver is easy to bolt to most factory step bumpers.This Reese Towpower Step Bumper Receiver is a Class II receiver hitch that gives you more towing possibilities for your vehicle. It features a heavy-duty design that easily bolts to most standard bumpers. The bumper hitch receiver can be used with 2" draw bars. It has a tongue weight of 350 lbs and a gross towing weight capacity of 3,500 lbs so you can tow a variety of items with your vehicle. This product is not intended for use with weight-distributing equipment.Reese Towpower Step Bumper Receiver: Designed to accept 2" draw bars Weight capacity: 350 lb tongue weight; 3,500 lb gross towing weight Not for use with weight-distributing equipment Class II receiver hitch model# 81378