CURT 28274 Trailer Jack Foot, Fits 2-Inch Diameter Tube, Supports 2,000 lbs, 8-1/2-In Height. Trailer jacks foot are made with quality to promote the life and function of your trailer. Add stability and support to your trailer jack and trailer with a jack foot. This hardy steel jack attachment features a simple safety pin mounting system. It measures 8-1/2"tall, has a weight capacity of 2,000 lbs. and is designed for 2" diameter tubes. If you have a receiver-style trailer, you will want a jack that complements its function.