50 JEWELERS LOCKING BARREL WITH BALL CLUTCH BACKS CLASP. SECURE YOUR LAPEL PINS, HAT PINS, TIE TACS AND BADGES WITH THESE TOP OF THE LINE BRASS JEWELRY CLASPS. WORKS ON ALL POST BACK PINS, TIE TACS OR BADGES. EASY ON AND OFF BALL DESIGN THAT LOCKS ON TO PIN UNTIL YOU WANT IT REMOVED. BALL DESIGN MOVES UP WHEN IT IS SQUEEZED AND LOCKS ON WHEN IT IS RELEASED FOR A SECURE AND PROFESSIONAL LOOK. ALL CLASP ARE NEW IN BAGS.