Compatibility and Usage: The angle beveled washer CR60 is specifically designed for 1/8Inch cable railing thread studs ( CR26, CR36, CR37, CB05, CB07, CB31) and 3/16Inch cable railing kit CR27. It is essential to use angled washers with thread studs, not lag screws, for optimal installation. Designed for Posts: Ideal for both wood and metal posts, this T316 stainless steel angled washer fills in 25, 30, 35 degrees staircase cable railing systems. Each package includes 40 angle beveled washers, ensuring you have enough for your project. Marine Grade Durability: Constructed from T316 marine grade stainless steel, this angle beveled washer offers superior durability, rust resistance, and resistance, making it perfect for extreme weather conditions and marine environments. Efficient System Construction: For an effective Wood Hidden cable railing system, combine this product with cable railing kit CR26, 30 angle washer CR60, 1/8Inch wire rope WR02, and other recommended accessories like adhesive sleeves CR66 and protector sleeves CR13. Colour:Silver Material:Stainless steel Package Contents: 40 * stainless steel cushion ring Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.