Description This locking pin back is made of premium material, which can withstand long-lasting use. Features the premium copper material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This locking pin back will make DIY easier and smoother. Features - Color: Silver -Material: copper - Size: 1.00X1.00X0.90cm/0.39X0.39X0.35in - Great for use as lapel pin backs, brooch pin backs, tie pin backs hat pin backs, fits on tie tacks, badge pin, name tag, etc. - Compact shaped handle on the pin back is designed for easy grasp, bring you convenience. - With smooth opening and closing, the replacement pin back is well secured, safe to use. - Also can used for jewelry making and DIY craft projects, very professional to use for diy. Suitable for pin, badge, and jewelry replacement. - Mini safety pin back clutch. Lightweight and portable design, which is easy to carry and store. Great for use as lapel pin backs, brooch pin backs, tie pin backs hat pin backs, fits on tie tacks, badge pin, name tag, etc |Compact shaped handle on the pin back is designed for easy grasp, bring you convenience |With smooth opening and closing, the replacement pin back is well secured, safe to use |Also can used for jewelry making and DIY craft projects, very professional to use for diy Suitable for pin, badge, and jewelry replacement