It's easy to hang frames, artwork or mirrors with the Conventional Hook, as it comes with a nail inserted at the right angle. You can hammer the nail into place without holding it. Compatible with drywall and plaster wall surfaces, it is reinforced at the elbow for added support. Details: Brass plated Holds up to 20 lb. (8 kg) 24 packs (6 sets per pack, 144 total sets) Pre-positioned nail For use on drywall or plaster Steel Pack Contents: 6 nails 6 conventional hooks