30° Angled-Hole Cable Railing Post: This 36" post is pre-drilled with 10 pairs of 30° angled holes, spaced 3.31 in apart. Designed for stair protection on 25°-35° inclines to help protect you and your family. Note: This upgraded version has adjusted hole quantity and spacing vs. the previous version—please verify hole positions and count when repurchasing or matching parts. Steel cable not included Sturdy and Durable: Our cable handrail post is made of high-quality SUS304 stainless steel, offering excellent rust resistance and corrosion protection for long-lasting durability. However, it is not recommended for coastal applications Compliant with Regulations: The 30° hole design features a 3" cable spacing, and the span between two structural posts should not exceed 4 feet to pass the 4" ball test Easy Installation and DIY: This deck railing post includes horizontal and curved supports, suitable for various hole types in railing posts. It is compatible with square and round pipe handrails, allowing for DIY customization of handrail angles Multi-Scene Protection: Our cable rail post is suitable for both indoor and outdoor protection, including decks, stairs, porches, fences, patios, balconies, gardens, residential buildings, commercial offices, hotels, garages, and more