The Tractor Square Knob is a durable and practical replacement knob made of aluminum and treated with industrial hard chrome. Engraved with a tractor script, this knob fits most makes and models, making it a versatile and convenient option for tractor owners. Sold individually, this knob is a reliable and long-lasting choice for those in need of a replacement or upgrade. Its sturdy construction and universal fit make it a valuable addition to any tractor, providing a secure and functional grip for various applications.