Comparison : Item # D140B13, No. 140 - 1 3/4" Pitch - Multiple Strand Sprockets
Item # D140B14, No. 140 - 1 3/4" Pitch - Multiple Strand Sprockets
Item # D140B15, No. 140 - 1 3/4" Pitch - Multiple Strand Sprockets
Item # D140B16, No. 140 - 1 3/4" Pitch - Multiple Strand Sprockets
Item # D140B17, No. 140 - 1 3/4" Pitch - Multiple Strand Sprockets