40 Pairs Rubber Blank Pin Backs Butterfly Clutch Backings Holder Tie Tacks Keepers Replacement with 9mm

•No Tools Required: The protruding half round rubber butterfly clutch allows you to install and remove butterfly clutch tie tacks easily and conveniently,without additional tools,save your time and effort

•Tie Pin: The size of the back of the rubber clutch is 11 mm in diameter, The size of pin is 10mm in diameter, 9mm in length,suitable size for you to use, silver, and the back of the metal lock pin is small and low-key

•Wide Application:The butterfly clutch tie tacks are widely used. The blank pin and the butterfly clutch back can be used to make tie studs, badges, citation strips, service strips and jewelry ,add convenience to various occasions