These steel pins are coated with a corrosion-resistant finish and have a yellow epoxy head. Sold as packs of 100. Additional Info: These steel pins are coated with a corrosion-resistant finish and have a yellow epoxy head. Sold as packs of 100. Package Size(L x W x H): 2.25 X 1.5 X 0.1 (IN) Categories: Biology, Insect Pins HTS Code: 9018.39.0050 UNSPSC: 3.11623e+007 Country Of Origin: CHINA