3M DBI/SALA 8512936 Advanced Series overload protection clutch for use with Advanced Digital Series Power Drive Winches.  The Power Drive Digital Winch features power drive hub on the 9:1 drive.  An overload protection clutch installs between this power drive hub and an electric or pneumatic drill to eliminate overloading the winch during retrieval.  This clutch also protects the winch operator and the retrieved worker from injury.  The clutch is installed and removed without the use of tools when switching to the 4:1 manual crank option in emergencies.  450 lbs working load limit.

• 450 lb working load limit.
• Prevents overloading winch during retrieval.
• Installed and removed without the use of tools.
• Weight 3.0 lbs.