Thumb Tack are ideal for hanging or holding down charts banners calendars and much more. Great around the home or office for unlimited uses. Sharp-pointed nail with a double point . Unlimited uses. They are ideal for use in school office and have unlimited uses around the house. * Brand Name: HILLMAN Color: Blue Product Type: Push Pins Number in Package: 40 pk Packaging Type: Carded Length: 0.375 in.