Using the top durable zinc alloy casting, not only strong, can withstand the double test of time and daily use, but also show extraordinary texture and taste. The surface has been carefully polished to create a smooth, round matte black that reflects understated luxury, but also offers excellent water, rust and corrosion resistance, making it easy to cope with harsh environments, both indoors and out. Each armrest bracket is rigorously tested to ensure it can hold up to 220 lbs. of weight, providing indestructible support for your family members or visitors. A version of the bracket designed for stairs is designed with safety in mind and can safely carry 80 lbs. of weight on a single step, allowing you to walk up and down the stairs with peace of mind. These cleverly designed supports can be flexibly adjusted to any stair Angle, with a maximum support distance of 48 in., perfectly adapted to any stair structure and layout, allowing safety and beauty to coexist. They can not only effectively enhance the stability of the stair railing, prevent accidents, but also add an indispensable security guarantee to public Spaces such as corridors and halls, so that every walk is full of confidence and peace of mind. We offer a complete set of 6 armrests and mounting screws that are easy to install without the need for professional tools, making safety upgrades so easy and convenient. Color: silver. Material: Metal.