Replacement Chain Brake Kit for select Greenworks generation I 80V Chainsaws. Compatible with models; Greenworks Pro 80V 18-inch Cordless Electric (CS80L211/CS80L01) Greenworks Pro 80V 18-inch Cordless Electric Chainsaw (CS80L00/GCS80450/GCS80420/CS80L210) Greenworks Commercial 82V 18-inch Cordless Electric Chainsaw (GS 180) Kobalt 80V 18-inch Cordless Electric Chainsaw (KCS 180/419015/670251) Snapper XD 82V 18-inch Cordless Electric Chainsaw (SXDCS82)