Keep a pin in place: You will don't have to worry about pins falling off or losing with these practical items, use pin keepers to secure pins on leather, vest, jacket, cap, hat, work uniform, lanyard, bags, cards, it will be much convenient. Specifications: High Quality Shiny Silver Finish! Diameter: 6 mm/ 0.24 inch Height: 5 mm/ 0.2 inch Material: Alloy Screws length: 3 mm/ 0.12 inch Locking tool length: 4.5 cm/ 1.8 inches Package includes: 120 x Pin keepers 120 x Strews 10 x Locking toolsEASY TO ATTACH: Just put a pin keeper in the back of your lovely pin, then use the looking tool to screw it up, the whole process is less effort and time-saving, nice supplies for every pins collectors and pins lovers. KEEP A PIN IN PLACE: you will don't have to worry about pins falling off or losing with these practical items, use pin keepers to secure pins on leather, vest, jacket, cap, hat, work uniform, lanyard, bags, cards, it will be much convenient. SUFFICIENT QUANTITY: Package includes 120 pieces pin backs,and 10 pieces locking tools wrench, complete and delicate sets are provided to meet your daily needs. SIZE INFORMATION: Pin keeper's diameter is 6 mm/ 0.24 inch, height is 5 mm/ 0.2 inch, suitable size for holding lost pins firmly; The locking tool is 4.5 cm/ 1.8 inches. DURABLE AND EXQUISITE:Locking pin backs are made of nickel-plated copper, our pin keepers will not get rust easily, and with smooth surface and good appearance, it is sturdy enough for using a period.Number of Pieces: 120. Brand: Aulufft. Color: Silver. Material: Silver, Leather, Copper. Date First Available: January 9, 2020. Best Sellers Rank: #62,118 in Arts, Crafts & Sewing. Customer Reviews: 4.9 4.9 out of 5 stars 96 ratings 4.9 out of 5 stars. Item model number: 120 pieces. : B083NMJYMB. Manufacturer: Cooyeah. Item Weight: 5 ounces. Package Dimensions: 2.64 x 2.01 x 0.83 inches.