3M DBI/SALA 8510323 Advanced Series Barrel Mount Sleeve with 3-1/2 opening for use with Advanced davit systems.  The UCL Barrel Mount Sleeve features mild steel construction and eight independent clamping screws to allow temporary installations over edges of shoring cans, walls and other structures.  Comes with PVC inner liner.  Custom fit openings are available.  "

• Lightweight mounting sleeve for portability.
• Adjustable opening will fit up to 3-1/2" walls.
• Easy to set up. Simply tighten 8 clamping screws to wall. Then attach davit system.
• 450 lb capacity.
• Provides 360 degree mast rotation.
• Designed for use with Advanced Series davit system.
• Mild steel construction with zinc plated finish.
• Weight 36.50 lbs.