Product Description
Security collar A shortens lock from 1 1/8" to 5/8" Hardened steel, nickle plated, tapered edge. This collar shortens your lock with 6.4mm (1/4") and protects the exposed shoulder of the lock from tampering with torsion tools. Used for all 19 mm standard lock. Outer Diameter 30 mm Do you need a manual? You'll find it here -----> Security characteristics
