Leveling Posts


Adjustable Height Ø1.5" P-Post

  • Continuously Variable Height Adjustment Ranging from 4.24" (108mm) to 5.74" (146mm)
  • Solid Steel Construction
  • Compatible with our PF175 Clamping Fork


  • Continuously Variable Height Adjustment
  • Lockable Design
  • Nonmagnetic Stainless Steel Construction
  • Maximum Load Capacity: 500 lbs

The P-Series of Ø1.5" posts has been expanded to include the BLP01 variable height Ø1.5" post. The height of the BLP01 can be varied from 4.24" to 5.74" (108 mm to 146 mm) when the included pedestal base is attached. Removing the pedestal base reduces both the minimum and maximum height of the base by 0.24" (6 mm). Once the post is set to the desired height, it can be locked in place by tightening the knurled locking ring. Both the post and the locking ring have counter bored holes that allow for a 3/16" (5 mm) hex wrench or ball driver to be used as a lever arm in the tightening or loosening process.

The top of the post has a 1/4"-20 (M6) tapped hole that allows the posts to be attached to the bottom of solid or honeycomb breadboards made by Thorlabs with the use of the appropriate set screw, which are available in our screw kits. In addition, a 1/4"-20 to 8-32 or M6 to M4 adapter can be threaded into the top of the post, which allows the post to be used as an extremely rigid support for the vast majority of the optomechanical mounts made by Thorlabs.

The bottom of the post has a pedestal base that allows the post to be secured to the top of a breadboard with the use of a PF175 clamping fork. Alternatively, the pedestal can be unscrewed in order to access a 1/4"-20 tapped hole. Using a 1/4"-20 set screw the BLP01 can be attached directly to the top of a tapped breadboard or, for example, be used as a variable height extension to a fixed length P-Series post. When the bottom of the post is fixed to a table or other component, the top of the post must be free to rotate in order to adjust the height. In addition, any components attached to the top of the post will also rotate as the height is adjusted.


Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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