SOHMO bulb (or bulb) pins are made of nickel -plated steel. Their spiral without spiral makes them perfect for being used as points markers or as points support. They are also perfect for pinning the little quilts or attaching the labels to the clothes. These pins - also called pear pins or calabasse pins - are smooth, pointed and measure 21 mm long. 100 pins packed in a practical box with sliding cover. Pin stail: 22 mm long x 0.7 mm Box diameter: 80 mm x 55 mm x 16 mm