Nogeqi 40PCS Locking Pin Backs, Metal Pin Locks

Keep your favorite pins safe with these 40-piece locking pin backs. Crafted from durable zinc alloy, each backing measures 0.39 x 0.39 x 0.28 inches and weighs just 1 gram, making them lightweight yet sturdy. The spring-loaded design locks pins firmly in place – simply push to lock, pull to release, with no tools required. These pin locks for enamel pins fit standard 0.39” pin posts and work seamlessly with brooches, lapel pins, badges, name tags, backpack pins, hats, and display books. They serve as a reliable pin locking back that prevents pins from falling off during daily wear or active use.