The interior door knob from Convex is an ideal choice for upgrading your entrance. It features a gray color with a matte finish, thus offering elegance and a modern aesthetic to your space. The knob's plate connects the knob to the lock, ensuring easy and secure use. It is reversible, making it functional for solid doors, and has a 90mm center distance, suitable for most installations. These characteristics make this knob an ideal choice for both personal and professional spaces.