Art Hanging Cable Hooks are used for the easy rail cable wire to attach your art to the easy rail system. Our cable hooks are made of brass and include a nickel plated or polished finish. Depending on your situation you may have an option of a self-gripping or screw gripping hook install. If you ordered the nylon cable, you will need to buy our steel spring grasping hook Item # SH100. MBS-Hanging-Systems are high quality and prepared to ship. If you have any question please contact us now.