WB SP Series

Safety Posts for Fixed Ladders

Sizes & Specifications

Buy Online

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.


  • 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.


  • Bracket: Floor Mounting Bracket
  • Safety Post: Telescoping Safety Post


This roof hatch ladder is available in a variety of sizes such as 5 feet, 6 feet, 7 feet, 8 feet, 9 feet, 10 feet, 11 feet, and many more all the way up to 15 feet. Made out of aluminum, this is a very lightweight roof hatch ladder which helps with easy installation.

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