WB SP Series

Safety Posts for Fixed Ladders

Sizes & Specifications

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Williams Brothers - WB SP Series Safety Posts for Fixed Ladders

Telescoping Post Provides Easier, Safer Ladder Access Through Roof, Floor and Other Hatches!

WB Safety Posts provide easier, safer ladder access through roof hatches, floor, vault, and sidewalk doors, and manholes. This telescoping post permanently mounts to the top two rungs of any fixed ladder, providing a positive hand-hold and enabling the user to enter or exit an opening in an upright and balanced position.


  • Finish: Aluminum Mill Finish (Not painted)
  • Adjustable Mounting: Hardware accommodates virtually any ladder rung size or spacing
  • Telescoping Design: Spring balanced for ease of operation
  • Automatic Locking Mechanism: Post locks in the fully raised position to provide the user with a firm and steady hand-hold
  • Handy Release Lever: Allows the post to be easily lowered to its retracted position.


  • None


Post extends 40″ from top rung of ladder. The shortest ladder for use with safety post is 72” long.

Manufactured for The Williams Brothers Corporation of America. MADE IN USA.