Hardened Steel Shackle - Extra protection against hacksaw & cropping attacks. Double Bolted Locking Mechanism - Extra strength to resist torsion & pull attacks. Solid Brass Body - Added resistance against corrosion. 10 year guarantee.

Body Width: 40mm.

Shackle Diameter: 6mm.

Shackle Internal Clearance: 21mm Wide x 55mm High.

Kasp Security Rating: 4 (Rating scale 1-15).