WHEEL STUDS & CHROME LUG NUTSMake changing tires a little easier by installing studs on your drums or rotors. Easy installation. No drilling required. Available for use with steel or mag wheels. The lug nuts listed in this section have a 13/16" hex heads.9511- Chrome Stud & Lug Kit,M14-1.5 To 1/2-20, For Mag Wheels Set Of 4