3M DBI/SALA 8510109 Advanced Series zinc plated core mount sleeve for use with Advanced davit systems.  The UCL Core Mount Sleeve is designed for slip-in installation into 4 inch core hole in concrete or in an existing steel structure.  Zinc plated mild steel construction.  Comes with PVC sleeve liner.

• 450 lb capacity.
• Provides 360 degree mast rotation.
• Designed for use with Advanced Series davit systems.
• Mild steel construction with zinc plated finish.
• Weight 8 lbs.