Features: 1.Fitment: The alternator pulley drill bit kit is replacement for Bosch alternators, replacement for Peugeot, replacement for Ford, and cars with 33 teeth spline hole. 2.Parameter: The inner diameter of this spline tool is 12mm, the outer diameter of this spline tool is 20mm, the 33 teeth part length is 30mm, and the drill bit length is 75mm. 3.Function: The two part splinted wrench is used for removal and replacement of pulleys, while 33 spline cylinder on shaft is inserted into pulley locking bolt. 4.Premium Material: This wrench kit is made of sturdy steel material, provides a powerful mounting force while ensure wear resistance, impact proof, and anti deformation. 5.Operation: Place the drill bit in the center hole of the hexagonal key and then place both in the center of the alternator clutch, fix the drill bit, rotate the spline nut to lock or unlock. Specification: Item Type: Alternator Pulley Drill Bit Kit_x000D_ Material: Steel_x000D_ Hex Part Length: Approx. 17mm/0.67in_x000D_ 33 Teeth Spline Part Length: Approx. 30mm/1.18in_x000D_ Spline Outer Diameter: Approx. 20mm/0.79in_x000D_ Spline Inner Diameter: Approx. 12mm/0.47in_x000D_ Drill Bit Length: Approx. 75mm/2.95in_x000D_ _x000D_ Fitment:_x000D_ Replacement for Bosch Alternators_x000D_ Replacement for Peugeot_x000D_ Replacement for Ford_x000D_ Replacement for Mercedes-Benz_x000D_ Replacement for Fiat_x000D_ Replacement for Seat_x000D_ (Fits for any clutch pulley with 33 teeth spline hole)