The best protection available against costly propeller theft. Once installed the McGard propeller lock offers 24 hour protection during use, storage and transit. A free-spinning collar will turn if attacked by gripping tools without loosening the lock. Constructed of naval brass and hardened stainless steel for maximum security.
Fits the following stern drives: Volvo Duo-Prop (will only fit 1993 and 1994 drives using a propeller bolt with a 19 mm hex).