Tie tacks: pins size is 4.5 mm in diameter, 8 mm in length; Clutch backs size is 11 mm in diameter, with silver color, small and low profile
No tools required: butterfly clutch with spring fastener slices allow you to install and remove it easily, handy and convenient for use
Durable and sturdy: clutch backs and blank pins are made of brass, sturdy and light, lock pins firmly and keep them secure
100 Abundant pairs: 100 set of tie tacks, enough for replacement to your torn or lost one, also good supplies for making DIY crafts
Versatile: blank pins and clutch back can be applied to tie tacks, badge insignia, citation bars, service bars and jewelry making, etc.