CROFT manufactured trailers are designed for commercial use. CROFT trailers start with a tubular sub frame with all welded construction of 12 gauge steel sides & front and 1/8" steel tread plate floor. Includes 1-1/2" square tube tie down rail around top edge for securing loads. The undercarriage includes a 3,500 lb. drop axle, leaf spring suspension, 15" spoke wheels with radial tires and an A-frame tongue made of 3" x 3" and 1.5" x 3" tubing with a CROFT Adjustable 2" Coupler and a Swivel Jack.