30 Novelty Extra Large Geometric Tetradecagon Shape Push Pins or Thumb Tacks Decorative Tetradecagon Map Tacks (30PCS) Made of woodHead Diameter is about 1 Natural wooden thumbtacks have extra long steel post point . Works on cork board, bulletin board or drywalleasily hang papers, posters, photos, memos, maps and more. 30 Handmade Multifaceted Jewel Style with Extra Large Head and Steel post Can be easily painted to match any custom colors, good for thumb tack crafts.