Richbrook 'Spinning' Anti-Theft Lockable Aluminium Tire Valve Stem Caps (Pack of 4 + Lock) (Blue) Pack of 4 with locking tool. Designed to look hot - and stay put! Each set is supplied with unique 'locking tool'. Don't worry, spare locking tools available Our best-selling valve caps are nickel plated brass with an anodised aluminium spinning sleeve in a range of great colours. Comes in attractive packaging