The Pin Retainer Plate is a part of the cylinder thumb assembly on the Mini Hydraulic Excavator. It serves the function of securing the pins in place, ensuring the structural integrity and smooth operation of the cylinder thumb mechanism. It is made up of strong and durable material, such as steel, to ensure strength and withstand high operating conditions.Attributes:• Effectively distributes the load across the pins, preventing excessive stress concentration• Withstands frequent use and mechanical stress without breaking or deformingApplications: The Pin Retainer Plate secures the pins that connect the cylinder thumb's linkage arms. Its presence ensures the stability and proper alignment of the cylinder thumb.