Matte Black Powell Knurled Hook. National Hardware's multipurpose hook are designed to hang your home accessories. Available in matte black, satin nickel or brushed gold. Instructions and mounting hardware included for installation. Surface-mounted application for easy DIY installation. Bring functional style to your wall with this set of two wall hooks. Finish matched to National Hardware's home hardware line for a clean, modern look. National Hardware's Lifespan Limited Lifetime Warranty.