JANYUN 120 Pairs Butterfly Clutch Tie Tacks Pin Back Replacement with 8mm Length 4mm Width Blank Pins for Craft Making (4mm, Silver)

No instruments required: Butterfly clutch with spring fastener slices help you set up and take away it simply, helpful and handy to be used.
Tie tacks: Clutch backs dimension is 11 mm in diameter；pins dimension is 4.5 mm in diameter, 8 mm in size , with silver shade, small and low profile.
Versatile: Clean pins and clutch again may be utilized to make tie tacks, badge insignia, quotation bars, service bars and jewellery making, and so on.
Sturdy and sturdy: Clutch backs and clean pins are made from nickel plated brass, sturdy and lightweight, lock pins firmly and hold them .safe
Good for hold tie in place, make some DIY crafts.