DesignRail Kit (SR) Series 150 Stair Rail Kits by Feeney are available in 6' Long, Black, 36" Height only. Stair Rail Kit includes an Intermediate Picket positioned in the middle of each section, top and bottom rails, snap cap, and hardware. Series 150 is a Graspable Handrail option. Use 9 runs of 1/8" cable for 36" CableRail Kits sold separately. DesignRail Kits Page for literature and installation, posts, and CableRail Kits. Use with pre-drilled DesignRail Kit Posts or wood posts. Use for stair angle between 29 and 34 degrees.