Picture Hanging Hook Set/Picture Hanger Home and Office/Hangs up to 56 Frames Set includes 40 simple rail hooks,16 large hooks with a cutout heart design and 64 nailss Rail hooks measure approximately 1", large hooks measure 1 1/4" and nails are 1". Nails are re-usable and when removed will leave small pin holes in wall Use it in your home, office, or anywhere you need to hang up artwork. All hooks and nails are brass-colored