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: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