Irwin Industrial 3094104 Metric Deep Well ThreadChaser Set, 4-Piece,Weiss Tool Distributors,IRW 3094104" /> Cleans and repairs threads without damaging the stud or fastener Deep Well Design - ThreadChaser repairs threads in recessed areas, including axle studs Low-Profile Hexagonal Head - Drive it with a socket, wrench, or pliersIncludes: 12mm-1.25, 12mm-1.50, 14mm-1.50, 16mm-1.50 Deep Well ThreadChaser