M6 HOCHSICHERHEIT Diebstahlsicherung Sicherungsmuttern manipulationssicher Set 4 x Muttern + 1 x Schlüssel
OML Anti-Theft Security Nuts | Tamper-Proof Lock Nut Set – 11 Styles Available – M6 (6mm Bolt). The key is designed with a central hole, allowing the nuts to be used on longer bolts. Nuts & Key Set.