A sturdy steel hexagonal sleeve that screws over the threaded body of a 19mm diameter (3/4” – 27 thread) spindle lock in place of the standard body nut. The sleeve nut holds the lock in place and also protects the joint between the lock and spindle from jemmying attacks.

Dimensions:
length: 33.65mm (1.3")
maximum depth: 25.4mm (1")