TOP LINK 1X3 9/16 CAT2 Catalog Equipment TOP LINK 1X3 9/16 CAT2 Model Number : 150-1676 Description Category 2 top link pin - used to connect top - link to tractor and to implement Yellow zinc plated to resist corrosion 1" pin diameter Usable length: 3-9/16" - overall length: 5-1/4 Rates Please contact us for current pricing and availability.