Zipbolt 14.110 Super UT Newel Post Fastener — Quick and Easy Wrench-Free Installation of Staircase Newel Posts, Anchors Post Directly to Wood or Concrete Floor — 1 Pack

KeyLOCK Newel Post Fastener

Sleek Modern Solid Red Oak Stair Newel Post with a Single Groove (3 1/2" x 3 1/2" x 48")

S-9403 Wood Newel Mounting Kit Installation Kit for Wooden Newel Support Posts

LJ-3005 Keylock Newel Post Fastener

XD2362

Zipbolt 14.100 Super UT Newel Post Fastener Bulk Pack — Quick and Easy Wrench-Free Installation of Staircase Newel Posts, Anchors Post Directly to Wood or Concrete Floor

935 - Flat Peak Newel Cap - for Use with 3 1/2 Inch Newel Posts (Poplar)

Red Oak 4592 5 inch Adjustable Style Wood Box Newel Post for Stair Remodeling

300N Square Newel Post White Oak - 3” x 48” Premium Hardwood Staircase Newel Posts, Durable Stair Post Indoor, Elegant Stair Newel Post, High-Quality Newel Posts, Modern Routed & Notched Top