Lawn & garden tractor battery terminal nut & bolt, 3/4" long 1/4" - 20 threaded steel bolt with nut & zinc plating to resist rust & corrosion, put the bolt through the battery terminal tightening holes & tighten nut on other end until the terminal is snug onto the battery post.
WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.