Comparison : Item # D60B11, No. 60 - 3/4" Pitch - Multiple Strand Sprockets
Item # D60B12, No. 60 - 3/4" Pitch - Multiple Strand Sprockets
Item # D60B13, No. 60 - 3/4" Pitch - Multiple Strand Sprockets
Item # D60B14, No. 60 - 3/4" Pitch - Multiple Strand Sprockets
Item # D60B15, No. 60 - 3/4" Pitch - Multiple Strand Sprockets