【BUILD TO LAST】Constructed of high-strength spring steel, this hay bale spear is strong and durable, with a weight capacity of up to 4,000 lbs. and can be used to move hay bales of any size.【SPECIAL DESIGN】Our 49-inch hay spears are specially heat-treated. This makes them resistant to warping. In addition, the surface of the spear is powder-coated for corrosion-resistance.【EASY TO INSTALL】Duable to a convenient bolt and nut system, our hay bale spears can be easily installed on the unit's quick-attach attachment and hooks, as well as easily removed from the unit's receiver.【STRONG PENETRATION】With a sturdy steel shaft and sharp tapered tip, the hay bale spike can easily penetrate the bale without pushing the bale away from the haystack and dislodging it quickly, saving labor and time.【WIDE APPLICATION】Our hay bale spears can be used with tractors, loaders, cranes, telescopic booms and many other types of equipment to greatly increase the efficiency of your farm work. The hay spear 49" bale spear is an ideal tool for farm work or agribusiness.