SUBANG 40 Pieces Metal Pin Backs Locking Pin Keepers Locking Clasp with Storage Case

Feature: This listing is for 40 pcs Low Profile Locking Pin backs/Pin Keepers-Highest Quality, Best Available, Suitable for all pin post pins, especially for disney pins, harley pins, Great alternative to those standard butterfly clutches and the rubber backs, These pin backs are very easy to use, No Tools Required, Just push on the pin back to the pin nail and it is locked, the harder you pull the pin, the tighter it will lock, pull the spring loaded botton at the rear, then the pin will be released ! Low Profile, smooth surface, No finger stabbing, No pin post protruding any more! Specification: Material: nickel-plated copper Product Size: circumference approx 15cm/5.9 inch(unstretched), Product weight:0.04 ounces*40 Package size:3.22*2.36*0.59inches Package weight: 2.41 ounces Package includes: - 40* Locking pin keepers backs - 1* Storage case'