Specification Brand : uxcell BulletPoint1 : Package Includes: 50pcs pin backs locking, 50pcs screws and 5pcs locking tools wrench. Pin Keeper Size: 1.9x6x5mm(0.07x0.24x0.2)(Inner Dia*Outer Dia*H), suitable size for holding lost pins firmly! BulletPoint2 : Material: The locking pin backs are made of plated copper, rendering them rustproof, and durable, without worrying they will fall off. BulletPoint3 : Easy to install: Just put a pin lock in the back of your favorite pin, then use the wrench to secure it in place, the whole process is less effort and time-saving, nice supplies for every pins collectors and pins lovers BulletPoint4 : Multiple Use: Suitable for pins, badges, name tags, display books, lanyards, bags, vests, hats, badges, collectibles and more. You can pin your badge to your clothes, bags or jeans. BulletPoint5 : NOTE: Please confirm the size before purchasing. ClaspType : Round Clasp Collection : All Color : Silver Tone CustomerPackageType : Standard Packaging Department : all ExternallyAssignedProductIdentifier1 : 604213167248 ExternallyAssignedProductIdentifier2 : 0604213167248 GemType : No Gemstone GpsrSafetyAttestation : 1 GradeRating : Fashion ItemName : uxcell 50pcs Pin Backs Locking Pin Locking Pin Keepers Locking Clasp Locking Pin Keeper Backs Locking Pin Backs Copper Pin with 5pcs Wrench (6mmx5mm, Silver Tone) ItemPackageDimensions_Height : 0.47 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemShape : Heart ItemShape1 : Round ItemShape2 : Hexagonal ItemTypeKeyword : jewelry-making-pin-backs Manufacturer : uxcell Material : Copper Material1 : Plastic Material2 : Paper Material3 : Iron MetalType : enamel ModelName : beads ModelNumber : HEART-PENDANTS-40-BLUE NumberOfBoxes : 1 NumberOfItems : 40 NumberOfPieces : 50 OccasionType1 : Birthday OccasionType2 : Mother's Day OccasionType3 : Anniversary OccasionType4 : Wedding OccasionType5 : Father's Day OccasionType6 : New Year PartNumber : a24053000ux0983 ProductDescription : Descriptions:Material: The locking pin backs are made of plated copper, rendering them rustproof, and durable, without worrying they will fall off. Easy to install: Just put a pin lock in the back of your favorite pin, then use the wrench to secure it in place, the whole process is less effort and time-saving, nice supplies for every pins collectors and pins lovers Multiple Use: Suitable for pins, badges, name tags, display books, lanyards, bags, vests, hats, badges, collectibles and more. You can pin your badge to your clothes, bags or jeans. NOTE: Please confirm the size before purchasing. Specification: Material: Copper Color: Silver Tone Pin Keeper Size: 1.9x6x5mm(0.07x0.24x0.2)(Inner Dia*Outer Dia*H)