• 200 x 200mm long 90 degree aluminium joiner
• Use at 90 degree joins of undercapping rail
• Joiner fitted on top of friction insert
• Drill 4 x 7mm holes in joiner to align with central baluster screw flute positions
• Installed as a final step and just prior to snapping on rectangular handrail
• Joiner provides rigidity at 90 degree corner