Comparison : Item # H40G12, No. 40 - 1/2" Pitch - Single Split Taper Sprockets
Item # H40G13, No. 40 - 1/2" Pitch - Single Split Taper Sprockets
Item # H40G14, No. 40 - 1/2" Pitch - Single Split Taper Sprockets
Item # H40H15, No. 40 - 1/2" Pitch - Single Split Taper Sprockets
Item # H40H16, No. 40 - 1/2" Pitch - Single Split Taper Sprockets