Enhance your railing system with our Black Cable Railing Protector Sleeves, designed for 1/8 in. wire rope cables in level wooden posts. These T316 stainless steel marine-grade sleeves are perfect for coastal and moisture-prone areas, offering high tensile strength, corrosion resistance, and weatherproof protection. Easy to install with a sleeve length of 0.79 in. flange diameter of 0.51 in. and required hole diameter of 0.28 in. these sleeves ensure smooth cable passage and maintain tension. Ideal for indoor and outdoor projects, including staircases, porches, balconies, terraces, and handrail deck railings, they provide a sleek, minimalist finish to elevate your space. The package includes 120 stainless steel protector sleeves and a free drill bit, ensuring a seamless installation process. Customer satisfaction is our priority; contact us for any issues or questions for a prompt and effective solution. Upgrade your railing system today with our durable and stylish cable protector sleeves. Material: Metal.