50 Pcs of stainless steel protector sleeves fit for 1/8' to 3/16' cable, preventing post holes from damaged by cable tension and abrasion T316 marine-grade stainless steel is high strength, anti-rust and corrosion-proof Sturdy construction keeps to maintain proper cable rail tension for preventing rope vibration Protector sleeves with decorative feature for covering the ragged holes on posts Widely used on wood posts to protect the wood from being cut by cable at straight sections