This cable railing kit made with stainless steel material, anti-rust, good for indoor or outdoor usage. The thread screws are designed for wood and metal post. This deck railing kit fits most cable railing system. The tensioners were designed for wood, metal post on deck railing. Features -Color: Silver. -Material: Stainless steel. -Size: 10.50X1.00X0.50cm/4.13X0.39X0.20in. - It is made from material, sturdy and durable for long time use. - Strong resistance to rust, water and corrosion. Excellent for both outdoor and indoor applications. - Deck and stair cable railing not only simple but also won't block your view. - This deck railing kit is made of marine grade stainless steel, super-strong resistance to rust, water and corrosion. - Excellent for both outdoor and indoor at any angle or flat stair's railing or horizontal, vertical, straight cable guardrail. Package list: 20 x Cable Tensioners