Butterfly Pin Backs for Lapel, Brooch, Tie, Hat, Badge Insignia, Name Tag, Jewelries Features: Metal pin backs made of nickel-plated brass, durable and exquisite Pin safety backs lock your pins firmly and securely Pins locking backs with spring fastener for easy install and remove, convenient to use Pin clutch backs great for all lapel pins, tie tacks, badge insignia, citation bars, jewelry,etc. Specification: Diameter: 11.5mm Height: 7mm Warm Tips: 1)The size above is measured by hand, the size of the actual item you received could be slightly different. 2)Pin backs locking are small and tiny accessories, please keep them away from children under 3 years old and your pets as well. Package Includes: 50PCS Metal Pin BacksPACKAGE INCLUDES: 50PCS gold brass pin backs and 1-year warranty. If you have any questions, please do not hesitate to contact us. WIDE APPLICATION: locking pin backs are 11.5 in diameter and 7mm in height, great replacement for lapel pin backs, brooch pin backs, tie pin backs hat pin backs, fits on tie tacks, badge insignia, name tag, toy pins, citation bars, jewelries and other homemade craft pins. EASY TO USE: metal pin backs with spring fastener slices allow easy install and remove, handy and convenient for use. PIN SAFETY BACKS: pin backs lock pins firmly and secure pins in place, no worry about losing your meaningful pins. BRASS PIN BACKS: pin backings made of nickel-plated brass, durable for long time use.Number of Pieces: 50. Brand: KASBEE. Color: Gold. Material: Nickel plated, Brass. Date First Available: July 9, 2022. Best Sellers Rank: #6,416 in Arts, Crafts & Sewing. Customer Reviews: 4.7 4.7 out of 5 stars 1,055 ratings 4.7 out of 5 stars. Item model number: PB-G. Country of Origin: China. : B08196K17K. Manufacturer: KASBEE. Item Weight: 0.704 ounces. Product Dimensions: 0.43 x 0.43 x 0.18 inches.