The Tranz-X 3 Piece Security Key Skewer Set uses a special 5 sided hex tool to securely fasten your wheels and seat clamp bolt to the bike. This tool is not commonly available and prevent opportune thieves from stealing your bicycle wheels or saddle.
The included removal tool has a keychain attachment so it's always on hand when you need to remove a wheel or adjust the seat height.
The kit includes:
Rear axle skewer x1
Front axle skewer x 1
Seat clamp bolt x1
5 Sided fitting/removal tool with keychain