Two-part splined wrench is required for removal and
replacement of free-wheel drive pulleys found on
Bosch Alternators. 10mm x 12 point end locks alternator
while 33-spline cylinder on shaft is inserted into pulley
locking bolt. Applications include VW , Audi , BMW , Mercedes , Opel , Porsche , Renaut and Ford . Use with 1/2 '' drive tools