40 stainless steel protective sleeves plus drill bit for wire rope systems — designed for stair railings, balconies and outdoor structures. Key benefits Corrosion resistance for long life: Made from 316 stainless steel to resist rust and erosion in seaside or humidity environments, and to tolerate acid/alkali exposure better than 304 grade. Protects cables and fittings: Sleeves reduce wear at anchor points and through drilled holes, preventing chafing and prolonging cable life. Clean, durable finish: Precision electrolytic polishing gives a smooth, bright surface that resists contamination and is easy to clean. Quick, damage installation: Smooth edges and consistent sizing minimize the risk of scratching or deforming cables during fitting. What's included and compatibility Kit contains 40 stainless steel protective sleeves and one versatile drill bit. Sleeve sizes available in 3/16 inch and 1/8 inch to match common cable diameters for secure alignment and stable support. Drill bit designed to work on steel, cement, wood and stone so you can install on a wide range of surfaces without specialized tools. Performance and design details 316 stainless steel construction for outdoor durability, especially in coastal or chemically aggressive environments. Electrolytic polishing improves surface resistance and maintains a bright appearance over time. Precision fit design ensures a snug sleevetocable fit for reliable guardrail and balustrade performance. Practical applications Stair railings: Protect cable where it passes through posts or handrails to reduce wear and maintain a neat appearance. Balcony and guardrail systems: Use sleeves to align cables and prevent abrasion at anchor points for residential or commercial balconies. Outdoor decks, docks and marine structures: Ideal for installations exposed to salt spray, humidity or corrosive conditions. Why choose this product Combines durable 316 stainless steel with a polished finish for lasting protection and appearance. Includes a drill bit that simplifies installation across multiple materials. Two common sleeve sizes ensure compatibility with standard cable diameters for a professional, secure fit.