A PAIR OF BONNET LOCKS WITH 2 KEYS FOR ALL MODELS OF TRIUMPH SPITFIRE,GT6,HERALD AND VITESSE. ORIGINAL PART NUMBER 562116 [ OR TT73614]. THEY ARE FITTED ADJACENT TO THE CHROME CATCH /LEVER ON BOTH SIDES TO PREVENT THE CATCHES FROM OPENING. WORTHWHILE MODIFICATION  ON ALL SPITFIRE HERALD GT6 & VITESSE !