Our hay bale spear is durable with sturdy spring steel, corrosion-resistance with a powder-coated surface, and easy to install with its simple design. It is an ideal tool for farm or construction work with its large loading capacity and strong penetration. | Vevor | | Hay Spear Spears 49\" Hay Bale Spear Spike, 4000 lbs Capacity Quick Attach Square Hay Bale Spears, 2 Pics Bale | Black | Best Buy