Invisible Design: These invisible cable railing kits are ideal for stair cable railing projects. The end purpose is to anchor the cable at one end of the line to ensure sufficient tension. Angle washers are designed to be placed between the cable baluster kit and the end post for 33 degree stairs. Size: Our terminals have an outer diameter of 8mm and are designed for 10.5mm terminal holes. For an 8mm thick cable railing hardware kit, the gasket hole is up to 9mm. These sizes are designed to perfectly accommodate 1/8 inch stainless steel wire rope cables, making them ideal for 1/8 inch cable railing applications. T316 Marine grade: Our cable railing hardware is made of T316 stainless steel, durable, rust and corrosion resistant. It is suitable for indoor, outdoor and coastal applications. Rest assured, they won't rust even after 10 years of use. Easy installation: The invisible receiver has a hexagonal socket, compact size and invisible appearance after installation. Easy to install using the included hex wrench. Corner washers are designed for bevel angles and are not susceptible to deformation due to their robust construction. A wide range of applications: 33 degree Angle washers, used with invisible terminals and wire ropes, are ideal for most standard staircases and are also compatible with wooden, steel and aluminum posts on deck railings, offering a wide range of application options. Colour:silver Material:Stainless steel Package Contents: 20 x Terminal 2 x Spare Thread Stud 20 x Angle Washers 1 x Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.