Guide Bars for 880F4 Ductile Iron & Concrete Saws Replacement Guide Bars for ICS 880F4 Concrete Chainsaws 10" Guide Bar P/N 529829 For more info on the 10" Bar Click Here $159.95 15" Guide Bar P/N 523080 For more info on the 15" Bar Click Here $209.95 20" Guide Bar P/N 529767 For more info on the 20" Bar Click Here $259.95 25" Guide Bar P/N 525320 For more info on the 25" Bar Click Here $399.95 Free Ground Freight Continental U.S. On all ICS Concrete Chainsaws, Chains, & Guide Bars Transit time estimate based on normal business days. All ICS Diamond Chains Buy any TWO ICS Diamond Chains and get a matching Guide Bar FREE Click here for 880F4 Diamond Chains Chain Tensioning Tip Sheet Please Click Here Concrete Cutting Tip Sheet Please Click Here Chain Life Tip Sheet Please Click Here This ICS video shows proper chain tensioning.