500 Series by Rail FX

$99.99 - $144.99
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Inside of Post to Inside of Post Cable Rail Stair Kit for Wood Post

The 500W series is used inside-of-post to inside-of-post mount for stairs

Top posts are often corner posts, which may require the stair run to connect to the face of the post. The top and bottom of the cable run would be connected perpendicular to those posts, and only the intermediate posts would be drilled on the angle for the cable to run through.

Use the 500 Series for wood posts, use the 500-W Series; 

The tensioning device is an Adjust-a-Body® with Threaded Eye, which attaches via a mounting screw to the lag eye, threaded tab, or extended length lag eye, depending on the kit. A Push-Lock® with Threaded Eye attaches the same way to the other end.The 500-W Series can be used to go up a stair and across a landing by inserting post protector tubes (order CS-TUBE separately) in the break-over post. The tube will prevent the cable from carving a groove into your post where it exits at an angle.

Installing the 500W seriescable rail systemon your deck will create a non-obstructive view. It offers a sleek modern look. All Rail FX cable rail systems are installer-friendly. Can be used with any species of wood or metal railing. All Rail FX terminals are made from Type 316 stainless steel, the most corrosion, rust-resistant stainless steel. It is environmentally friendly, containing at least 65% recycled material.Designed to be tamper resistant, with a 10-year parts warranty.


  • Rail FX Cable Rail
  • Use where the back side of one post is limited
  • Proudly made in the USA
  • Made from 1/8" High Quality 316 Grade Stainless Steel 
  • Minimum of 3" of clearance between end post and structure is required.
  • One of the easiest cable rail system to install


  • 1 - strand of cable with swage
  • Adjust-a-body with threaded eye
  • push lock with threaded eye
  • 1-1/2" lag eyes included

Click HERE for installation:

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