B&D CAD4 Replacement Single BM4 & FAM4 Garage Door Opener Sprocket Kit 041C4220A

B&D CAD4 Replacement Single BM4 & FAM4 Garage Door Opener Sprocket Kit 041C4220A. Open box original box not testedI usually ship within 24-48 hours of payment. I accept returns within 30 days for all my items I try my best to inspect and test all items and identify defects or missing pieces but I cannot be an expert on every item. Please ask if you have any questions. Photos are of the actual item and show all of the included parts. If a part is not pictured, it is not included.  Thanks for looking and happy shopping!B52 faultless for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.