This Replacement Chain Loop fits the Echo model CS-680 Chainsaw. This loop has a gauge of 0.050 inches and a pitch of 0.375 inches. It has 81 drive links and fits a bar length of 24 inches. Regular chainsaw maintenance is essential for both safety and efficiency. It is always a good idea to have replacement chains on hand to avoid potential downtime. Echo Replacement Chain Loops work on more than just Echo-brand models. Review each product page to find the correct replacement part for your model. To see all this information in one place, be sure to check out our handy Chainsaw Loop Information Chart in the links section below.