EuTengHao 30 Pieces Pin Keepers Pin Locks Pin Backs Clasp Locking Pin Keeper Backs Locking Pin Backs (9mmx5.5mm,)

Size:locking pin keepers are 5.5 mm in diameter, 9 mm in height and the locking tool is 4.5cm. This size is perfect replacement for all locking pin backs and other places which you need. 　 Color:Sliver 　 Description:Pack Includes 30 locking pin keepers and 3 locking tools. Suitable for locking pin backs are suitable for pins, insignia, name tags, display books, lanyards, bags, vests, hats, badge, collectibles and so on. You can pin your badge on clothes, bags or jeans. 　 Easy to use:Each pin keeper has a set screw , which is tightened to the pin post to ensure it's securely locked on. These locking pin backs are a must have if you don't want to loose your pins! 　 Warning:Keep away all little things from children.