decotacks Leather Square Daisy Upholstery Nails/tacks 1/2" - 50 Pcs [Antique Brass Finish] Head Size : 1/2" x 1/2" (12 mm) *** Shank Length : 5/8" (17mm) Heavy weight and high quality, not like other light weight DIY nails Made by Steel with double layer Antique Brass Electroplating finish Made by decotacks, brand named items Small and Sharp items, has to use Pliers and light weight hammer to apply. Without this tools it may cause accident, need to wear safe glasses. Unable to apply them by free hand on wood, without using pliers nail shank may bending easily due to unstable hitting direction.