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Sentinel SS-1 Telescopic Security Post
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Sentinel SS-1 Telescopic Security Post

The Sentinel SS-1, is a telescopic security post which is designed to be submerged to protect your vehicle or restrict access. Secured by a discus padlock, free UK delivery is included.
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  • Free delivery UK mainland
  • 100% secure payments
  • Customers rate us at 4,8/5,0

This popular security post is the Sentinel SS1 telescopic post and is designed to prevent access to a driveway or protect a caravan, trailer or car from theft. It can also be used to restrict access to a park by vehicles.

This model is telescopic and requires installation into the ground, DIY instructions are provided for you to be able to carry this out or alternatively it can be completed by a local builder. 

  • Constructed from a 70mm x 70mm hollow steel section of a 3mm thickness
  • Post retracts into a 100mm diameter tube when not in use
  • Secured in upright position with a discus padlock with a hardened shackle - padlock supplied with two keys
  • Zinc plated finish for protection against corrosion
  • Stands 550mm above the ground when locked
  • Submerged depth of 740mm when unlocked
  • Side cam keeps post upright when it is unlocked - meaning there is no need to hold the post during the locking process
  • Black and yellow vinyl fascia provides high visibility
  • Features a retractable handle on the top to assist with the locking and unlocking process
  • Supplied with DIY installation instructions
  • Keys can be made keyed alike if you order multiple posts
  • Dimensions W x H x D: 70mm x 740mm x 70mm
  • Weight: 12kg
Pros and cons
  • Easy to retract into ground when not in use
  • Supplied with a high quality stainless steel padlock – 2 keys provided
  • Installation instructions included
  • Bright yellow and black vinyl fascia ensures high visibility
  • Has to be concreted into the ground
Expert advice

To secure this post in the locked position it is supplied with a discus padlock with two key supplied.

If you require multiple posts then we can offer them keyed alike so that you do not have lots of keys to keep.

Scale ratio
External dim. (HxWxD) 740 x 70 x 70 mm
Internal dim. (HxWxD) x x mm
Customer Reviews
  1. -
    By Dr. M A Bradbury posted on 19/09/2018
    The Sentinel is clearly a high quality item - extremely well-made and properly finished. It is now installed and functioning as required.
Product Questions
Ask your question about Sentinel SS-1 Telescopic Security Post
Art. No.STL-SS1
External dim. (HxWxD)740 x 70 x 70 mm
Internal dim. (HxWxD)x x mm
Delivery  Price (inc VAT)
UK mainland delivery
Door to door service
UK mainland delivery
Door to door service

Monday - Friday


Monday - Friday