A-180026022-AI Standard Inner Cone, Series F, Type 60One New Aftermarket Replacement Standard Inner Cone for Comer Industries Series F Type 60 PTO Driveshaft Guard This standard inner cone is a safety guard component for Comer Industries Series F (Type 60) PTO driveshafts used on agricultural tractors and implements. The inner cone attaches at the implement or tractor end of the PTO shaft guard assembly, forming the funnel shaped protective entry point that shields the rotating driveshaft from operator