Sufficient quantity: package includes 100 pieces pin backs locking, 100 pieces strews and 10 pieces locking tools wrench, full sized slim profile sets are provided to meet all needs
Durable and exquisite: the locking pin backs are made of plated copper, rendering them completely rustproof, and extremely durable.
Size information: the locking pin backs for enamel pins diameter is 6 mm/ 0.24 inch, the height is 5 mm/ 0.2 inch, and the screw length is 3 mm/ 0.12 inch, sufficient to lock the pins firmly in place; The locking tool is 4.5 cm/ 1.8 inches
Keep your pin locks in place: you won't have to worry about pin locks falling off or losing them, the locking pin keepers will secure pins on leather, vest, jacket, cap, hat, work uniform, lanyard, bags, cards, and virtually any garment
Easy to attach: just put a pin lock in the back of your favorite pin, then use the looking tool to secure it in place, the whole process is quick and effortless, and a good to those who love to sport pins