Comparison : Item # 50B10SS, No. 50 - 5/8" Pitch - Stainless Steel Sprockets
Item # 50B11SS, No. 50 - 5/8" Pitch - Stainless Steel Sprockets
Item # 50B12SS, No. 50 - 5/8" Pitch - Stainless Steel Sprockets
Item # 50B13SS, No. 50 - 5/8" Pitch - Stainless Steel Sprockets
Item # 50B14SS, No. 50 - 5/8" Pitch - Stainless Steel Sprockets