Field Tuff Heavy-Duty Drag Harrow &mdash; 4ft. x 4ft, 7 Tine Rows, 1/2in. Dia. Tines, Model# HDHA-44 69 heavy-duty, 1/2in. thick tines dig in to help break up soil, level plots and pastures, or grade the soil Tow chain with ring fits over any 2in. trailer ball for easy towing behind ATVs, UTVs, and lawn tractors Movable tow bar can be switched to the opposite end or flipped over for less aggressive dragging Optional 4ft. x 2ft. harrow section (Item# 52956, sold separately) can be added to increase length and add coverage