Product Satisfaction Guaranteed!

This product is guaranteed! No restocking fees.

Free Shipping Available

On any combination of select items over $599

Excluding Alaska and Hawaii. Conditions Apply

  • Minimum Order Tier: $599
  • Note: Free shipping only applies to combined product totals of the same Minimum Order Tier. Learn More

Step 2 | Series 400 Top Cap for Cable Rail by RailFX

As low as $129.99
Availability: In stock
Only %1 left
As low as $129.99
Have a question? Ask a Deck Building Expert

Series 400 Top Caps

The Series 400 top rail is a square profile top rail designed to accept a wood or composite top rail. Filed trimmable with carbide blade. Includes bottom finishing plate. The Series 400 top cap MUST add 1/2" to overall rail height to reach required rail heights for both 36" and 42" rails.

Splice multiple top caps together using the Series 400 splice.

End finishing plate sold separately.


  • Available in RailFX Silver, Black, Bronze, & White
  • Low maintenance
  • Easy to clean
  • Powder coated aluminum exterior

Additional Product Information

More Information
Package Quantity (1) Series 400 top cap, (1) bottom finishing plate
Color Black Aluminum, Bronze Aluminum, Silver, White Aluminum
Manufacturer RailFX
Manufacturer Link
Installation Help
Dimensions 2-7/8" x 1-1/4" x 94"
CA Proposition 65 Warning

Customer Reviews for Step 2 | Series 400 Top Cap for Cable Rail by RailFX