Specification Brand : IUAQDP BulletPoint1 : [Premium Material] Our locking pin back is made of brass. Fine craftsmanship, smooth surface, comfortable to touch. Bright color, colorfast, will not rust. Small and light, unnoticeable. Sturdy, wearable, durable for long time use. Clip tightly, keep your pins safe. BulletPoint2 : [Easy to Use] The metal pin backing comes with spring fastener slices, which is easy to put on and take off with no tools. It can lock pin firmly and securely in your any type of clothing without falling off all day, you don't worry that you will lose your valuable pin again. BulletPoint3 : [Proper Size] The small pin keeper back is 11.5mm/0.45inches in diameter and 7mm/0.27inches in height. Small in size and lightweight will not add extra burden for you, and also makes it unobtrusive. Proper height isolates sharp metal pins effectively. It could match with most of metal pins. BulletPoint4 : [Wide Application] These butterfly clutch backs are great replacements for most of metal pin backs, fits lapel pin, tie tack, brooch pin, badge insignia pin, name tag pin, jewelry pin and other homemade craft pins. They can be applied on your lapel, cuff, tie, hat or bag. BulletPoint5 : [Package Include] You will get 200 pieces butterfly clutch pin backs in shiny silver color. Sufficient quantity meets your daily needs, they can replace your torn or lost pin backs. You can share these practical tools with your family or friends. Color : Silver ItemForm : Box ItemName : IUAQDP 200 Pieces Brass Butterfly Clutch Metal Locking Pin Backs, Pin Keeper Locking Clasp Pin Cap Clip Replacement for Hat Badge Insignia Brooch Holder Tie Tack Lapel Pin, Silver ItemPackageDimensions_Height : 9.906 centimeters ItemPackageDimensions_Length : 3.302 centimeters ItemPackageDimensions_Width : 9.2964 centimeters ItemTypeKeyword : jewelry-making-pin-backs Manufacturer : IUAQDP Material : nickel-plated copper ModelNumber : HJK0164 NumberOfBoxes : 1 NumberOfItems : 200 NumberOfPieces : 200 PartNumber : HJK0164 ProductDescription : Description: Material: Brass Color: Silver Size: Diameter: 11.5mm/0.45inches Height: 7mm/0.27inches Package Includes: 200pcs x Metal Butterfly Clutch Pin Backs Feature: 1. Smooth opening and closing. 2. Protective grip, don't loosen with time. 3. Lightweight, unnoticeable. Note: The metal locking pin back can match with the pin 1-1.2 mm in thickness. Our service: If you have any problems, please be free to contact us here. We will reply you within 24 hours and definitely provide you with a satisfactory solution. ProductSiteLaunchDate : 2021-11-02T11:19:31.590Z Style : Brooch,Tie Tack,Lapel,Brass SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 120 UnspscCode : 44122100 WarrantyDescription : no