Stair Rail Adapter Connectors for 3/4″ Round Balusters (20 pcs)

The beauty of our baluster stair rail adapter connectors lies in their functionality and discreet elegance. Black and made of rigid plastic, they melt away into the profile of your balusters and last for years to come.

UPC CODE: 664723101750

The functionality and ease-of-use of our stair rail connectors ensure that completing your backyard project is as quick and intuitive as possible.

  • Its material compatibility, minimal design, and rigid, plastic construction ensure it will bring you style and safety for years to come. Whether you’re a busy contractor or a DIYer looking for an easy backyard upgrade, these rail adapters will be perfect for you.
  • Ultimately, the beauty of our connectors lies in their ease-of-installation. Quick and intuitive, their minimal profile will seamlessly blend into any of your projects.
  • DESIGNED FOR | Stair rail adapter connectors for 3/4” round balusters
  • HIDDEN FASTENING | These connectors fit inside pre-drilled stair railings and on stairs with a 9 ¼” run over a 6 ¾” rise for hidden fastening
  • PERFECT PAIR | These connectors are designed for our 3/4″ diameter black round tubing galvanized steel balusters (sold separately)
  • VERSATILE | Use these connectors to convert our pre-drilled railing kits for stairs (36RKB, RKB6, RKB8-36, RKB8-42) (sold separately)
  • MATERIAL | These long lasting surface mount stair rail adapter connectors are made from black, rigid plastic
  • PROJECT VERSATILITY | Its functionality and minimal design will complement any project or space
  • WHAT’S INCLUDED | Twenty (20) connectors which cover approximately four (4) linear feet or ten (10) round balusters
  • EASY INSTALL | In addition to the protection and functionality it offers, the installation process is quick and intuitive.
  • PERFECTLY LEVEL | Guides on baluster ensure they’re level during installation
  • QUICK N’ EASY | No screws or hardware required
  • COMPATIBILITY | Compatible materials include composite, vinyl, wood, and more


  • UV-Protected | prevents fading and discolouring caused by the sun’s harsh rays
  • Rust-Resistant | its durable rigid plastic construction and powder coated finish prevent peeling and blistering
  • Weather Protected | designed to last through North America’s harshest conditions
  • ACQ wood compatible
  • Ideal for use in low to high traffic locations
  • Ideal for contractors and DIYers
  • Moderate skill set required for installation
  • Estimated installation time: 10 minutes
  • Prior to construction, check with your local municipality for building code requirements in your area.
  • Perfect for residential, commercial, and industrial use
  • Materials and packaging are fully recyclable
  • Limited one (1) year warranty.