Comparison : Item # 41JA15, No. 41 - 1/2" Pitch - QD® Sprockets
Item # 41JA16, No. 41 - 1/2" Pitch - QD® Sprockets
Item # 41JA17, No. 41 - 1/2" Pitch - QD® Sprockets
Item # 41JA18, No. 41 - 1/2" Pitch - QD® Sprockets
Item # 41JA19, No. 41 - 1/2" Pitch - QD® Sprockets