Locking Hubs - Warn Selective Spring-Lock: Identification

All Warn Hubs employ BRASS control knobs to engage and disengage locking mechanism. Model number of hub is stamped into recesses of control knob. Model numbers for Warn Selective Spring-Lock Hubs are as follows:

M166, M167, M175, M197

Fig 1: View of Internal Type Spring-Lock Hub

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Fig 2: View of External Type Spring-Lock Hub

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