Description The Koch Lift Arm Pin Cat 1 to 2 Forged, 1-1/8X1 X 13/16a high-quality forged steel pin designed for secure connections between Category 1 and Category 2 tractor lift arms and various 3-point hitch implements. Featuring a 1-1/8" pin diameter with a 1" usable length and 13/16" thread, this pin provides a strong and corrosion-resistant solution for everyday farm use.Product Details:Category Compatibility: Cat 1 to Cat 2Pin Diameter: 1-1/8"Usable Length: 1"Thread Diameter: 13/16"Material: Forged steelFinish: Yellow zinc plated for rust resistanceType: Lift arm pin for 3-point hitch systemsPart Number: HK321