Matte Black Finish. 1" Square Tubing. Available with White, Black, or Grey Plastic Bullnose Shelves Product Info ·Matte Black Finish.·1" Square Tubing.·Available with White, Black, or Grey Plastic Bullnose Shelves.· Note: Shown with white shelves and light oak trim. Welcome To Enquiry And Visit Us,Waiting For Your Cooperation!