Dozens of uses around home: sock organizers, sewing/tailoring, arts and crafts - even diapers!Also for Key Rings, Farmers, Hunters, Fisherman, even Scotsmen.Great for laundry bags, crafting, kilts, keys, blankets.Safety clasp keeps pin locked, covers sharp point.3.9inch  long x 0.78inch wide (closed); rounded pin point pierces most fabric without damage.