MATERIAL: These lapel pin backs are made of high-quality nickel plated brass; Unnoticeable while lock pins firmly and keep them secure; Metal material makes it sturdy and long lasting
VERSATILE PIN BACKS: The blank pins and clutch back can be applied to make tie tacks, badge insignia, citation bars, service bars and jewelry making, etc
SIZE: The diameter of these butterfly clutch pins is 4.33 in and with height of 2.76 in. Well made and handy
EASY TO USE: They slide easily onto pins and grip them aggressively. Squeeze the wings, and they come right off
PACKAGE: Total 50PCS metal locking pin backs are packed in a transparent plastic box, convenient for you to store and use