Comparison : Item # 1TOP-100, 1/4 Inch (in) Pin Diameter (A) and 2 Inch (in) Usable Length Power Take Off Pin
Item # 1TOP-101, 1/4 Inch (in) Pin Diameter (A) and 3 Inch (in) Usable Length Power Take Off Pin
Item # 1TOP-102, 5/16 Inch (in) Pin Diameter (A) and 2-1/4 Inch (in) Usable Length Power Take Off Pin
Item # 1TOP-103, 5/16 Inch (in) Pin Diameter (A) and 3 Inch (in) Usable Length Power Take Off Pin
Item # 1TOP-104, 5/16 Inch (in) Pin Diameter (A) and 4 Inch (in) Usable Length Power Take Off Pin