The 45NRTH stud insertion tool seats and removes the stud from the stud pocket. Customize your stud tread pattern or replace missing studs. Works with all 45NRTH studdable and studded products. - Tire studs sold separately - POM-injected handle - Stainless steel barrel - Thumb and index finger grips for more comfort and control - Compatible with studs that have a 3.5mm or smaller shaft