OEM Automotive Tools offers their wheel stud installation tools that easily installs new wheel studs with a ratchet or impact wrench, while preventing damage to the lug nut or new stud. They work with hubs, rotors and axles on both front and rear wheel drive vehicles. The wide bearing face reduces friction and distributes the load for ease of use and to help prevent damage and extend the life of the tool. Designed to fit studs up to 9/16 in. or 14mm.