For repairing the guide pen threads in the wheel bearing housing.
With disassembly of guide ping while changing the brake pads the 
    internal threads are frequently destroyed.
The defective threads are repaired professionally and quickly with
    a heavy duty rustproof high-grade steel threaded bush.
Contents:
   Replacement bushes with copper ring M9X1.25 ( packing unit 10 pcs)
   Special core drill 
   Special tap M9X1.25 
   Hex key 7 mm
Applicable: FORD, OPEL, VW, AUDI.