Ultra-Tow 2,000-Lb. Capacity Spring Trailer Axle with Adjustable Spring Mount... Adjustable spring mounts offer a variety of mounting positions Fast Lube spindles allow you to re-grease the bearings without removing the hubs Stainless steel wear sleeves prevent rust from wearing on the rubber oil seal 1.5in. square tube steel axle is hot dip galvanized with adjustable spring centers Can be under or over slung