30pcs Silver Tone with Round Blank Setting Disc Stick Hat Pin for DIY Jewelry Findings BP33 Silver Tone with Round Blank Setting Disc Stick Hat Pin for DIY Jewelry Making Findings Material:Copper Size: 92mm in total length including the round setting,1mm for the pin width ,18mm for the blank setting inner diameter Color:Silver Tone Due to the handmade sewing,size may vary one to another approx 0.3~0.5cm