Specification Brand : AYLIFU BulletPoint1 : Durable: Locking pin back made of nickel-plated brass material, anti-corrosion, anti-fading, wear resistance, not easy to scratch, longer service life. BulletPoint2 : Pin size: Our pin keepers are 5.5 mm /0.22 in diameter and 9 mm /0.35 in height; Works well with most pins to ensure it doesn't fall off or get lost. BulletPoint3 : Securing pins: All of our locking pin keeper backs are carefully crafted with a smooth surface, and with these practical items, you won't have to worry about pins falling off or getting lost. BulletPoint4 : Easy to install: Simply place the pin keeper behind your lovely pin and twist it up with an allen wrench, the whole process takes no effort, saves time and effort, and is a good item for every pin collector and pin lover. BulletPoint5 : Wide range of applications: This locking pin back is suitable for pins, badges, name tags, display books, lanyards, bags, vests, hats, badges, collectibles and more. You can pin your badge to your clothes, bag or jeans. Color : Silver FinishType : Polished GpsrSafetyAttestation : 1 ItemName : AYLIFU 20 PCS 9 x 5.5 mm Locks Pin Backs Locking Clasp Copper Pin Keepers Pin Locks Pin Backs Locking Clasp with 2 Wrenches (Silver) ItemPackageDimensions_Height : 1.5 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : jewelry-making-pin-backs Manufacturer : AYLIFU Material : Nickel-plated copper ModelName : AF-67462 ModelNumber : AF-67462 NumberOfBoxes : 1 NumberOfItems : 2 NumberOfPieces : 20 PartNumber : no ProductDescription : Specifications: Product Name: Locking Pin Back Material: Nickel-plated copper Color: as shown Diameter: 5.5 mm / 0.22 in Height: 9 mm / 0.35 in Screw length: 3 mm / 0.12 in Length of locking tool: 4.5 cm / 1.8 in Package includes: 20* Pin Keepers 20* Screws 2* Hex Wrenches Attention: Contains small parts, please keep away from children!! ProductSiteLaunchDate : 2024-01-17T09:18:26.731Z Style : Locking Clasp SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 53141500 WarrantyDescription : NO