The Case IH 87645121 Knotter Hook is an original equipment manufacturer (OEM) part specifically designed for Case IH LB and LBX series large square balers. This essential component is crucial for the knotting mechanism, ensuring reliable and consistent bale formation. Weighing approximately 0.77 kg, this genuine knotter hook provides durability and precise fitment for optimal baler performance, helping to maintain the efficiency of your agricultural machinery.