Features:
Material: nickel plated brass
Color: silver
Pins size: 10 mm in diameter; 10 mm in length
Clutch backs size: 10 mm in diameter

Package includes:
50 Pieces clutch pin backs
50 Pieces 10mm black blank pins
Material: made of nickel plated brass, durable and sturdy
Easy to install and remove for its flexible spring fastener slices
Pins size: 10 mm in diameter; 10 mm in length; The 10mm blank pins stamping technology processing, there is a small groove on the back, consistent with the picture
Clutch backs size: 10 mm in diameter;
Good supplies for making DIY crafts and can be applied to tie tacks, badge insignia, citation bars, service bars and jewelry making