25 sets Bow Tie Hardware Necktie Hook Bow Tie or Cravat Clips Fasteners to Make Adjustable Straps on Bow Tie dip

Specification: Material: Metal Copper Color: black, silver Size: 20mm(ID) inner diameter:18mm Outside diameter:23mm No rust, thin, DIY tie. For Bow Tie,DIY. please confirm the size before you buy. Feature: Copper material will not rust; Ultra-thin, space; 20mm width, to accommodate a variety of tie. Package include: 50x Bow Tie Clips Note:Please allow 1-3mm error due to manual measurement. Thanks for your understanding.