50 Pairs Metal Pin Backs Locking Pin Keepers Locking Clasp Butterfly Clutch Tie Tacks Pin Back for Uniform Badges Craft Making, Gold

Key features

• [Size]: Pin backs diameter is 11mm, 7 mm in height.
• [Material]: Made of nickel plated brass, durable and sturdy.
• [Advantage]: Butterfly clutch with spring fastener slices allow you easy to install and remove, handy and convenient for use.
• [Applicarion]: Pin clutch backs good supplies for making DIY crafts and can be applied to tie tacks, badge insignia, citation bars, service bars and jewelry making.