decotacks Square Art Upholstery Nails/tacks 5/8" x 5/8" (17MMx17MM) - 25 Pcs [Antique Copper, French Natural] DX8017AC Head Size : 5/8" x 5/8" (17mm x 17mm) *** Shank Length : 5/8" (17MM) decotacks is the registered brand of the seller "deconail". Please be aware that there are counterfeit items selling by other sellers using our listings. (Details below) Heavy weight and high quality, not like other light weight DIY nails Made by Steel with high grade double layer Antique Copper Electroplating Need to use Pliers to catch nails before hammering, they are small and hammer them by free hand may be dangerous and cause shanks bending !!!