This is a A-7A4990 Pin, Lift Arm, Cat I & II PN: 7A4990Main Description As Following : A-7A4990 Pin, Lift Arm, Cat I & II P.N: 7A4990 Length: 1"Pin Diameter: Cat I - .875", Cat II - 1.125"Thread: .875"Useable Length: 2" Crossed From: P2059 , , P34-0035 ALAMO INDUSTRIAL , S07024900 , , 21235 , Found in Section & Models : Hitch & Drawbar Parts > Lift Arms & Pins, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Pin Diameter: Cat I - .875", Cat II - 1.125" Thread: .875" Useable Length: 2"