Evo MK5 wheel locks:

Alfa Romeo 156, 1997-2001 - Alloy & Steel wheel (note to check wheel brace socket is 19mm, if 17mm, you require Evo MK5 part no. 481)
Alfa Romeo 166, 1998-2001 - Alloy & Steel wheel

Part no. - 381
Thread size - M12x1.25
Seat - Taper 60 degree
Hex size - 19 mm
Shaft length - 22mm
Set - 4 locking bolts & key, key number card, fitting instructions all in a strong plastic clip case
Notes - The locking key requires a minimum 31mm diameter hole on the wheel to fit onto the lock nut.
This product is for the OE wheels as listed above. An aftermarket wheel might require different locks due to the seat of the wheel and hole diameter for the locks. If in doubt, please contact us.

Evo MK5 wheel locks are a new generation in wheel locking systems designed to combat the most sophisticated and determined thieves. Rigourously tested and approved by several major car manufactuers who have upgraded their security standards and requirements.

Heavy duty toughened rotary ring for extra security
Each lock is hardened and tempered for unbelievable strength
Manufactured to ISO9000 and QS9000 standards
Corrosion free
Thatcham approved and passed wheel locks
These MK5 locks are also Sold Secure approved with Gold rating.