Lead Battery Terminal - 5/16 & 3/8 Stud - Positive & Negative Combo PackStud Size:5/16 & 3/8Product Features: Seamless barrel design allows for maximum strength when crimpedClosed end design seals out moisture so cables stay dry and corrosion freeWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.